curl "http://google.com/complete/search?hl=en&client=chrome&q=api"
["api",["apia","apio","apiland","apia brasov","api meaning","apivita","apidermin","apilarnil","apixaban","apia login","apidava","apicol science","apigenin","apia internet","apisan forte"]...
["api",["apia","apio","apiland","apia brasov","api meaning","apivita","apidermin","apilarnil","apixaban","apia login","apidava","apicol science","apigenin","apia internet","apisan forte"]...
curl "http://google.com/complete/search?hl=en&client=firefox&q=api"
["api",["apio","apia","api","apiland","apia brasov","api meaning","apivita","apidermin","apilarnil","apixaban"]...
curl "http://google.com/complete/search?hl=en&client=opera&q=api"
["api",["apio","apia","api","apiland","apia brasov","api meaning","apivita","apidermin","apilarnil","apixaban"]...
curl "http://google.com/complete/search?hl=en&client=chrome&q=cart"
["cart",["carturesti","cartier","cartofisserie","cartofi frantuzesti","cartofi gratinati","carti","cartofi la cuptor","cartier bracelet","cartofi taranesti","cartoon network","cartita","cartofi copti la cuptor","cartofisserie meniu","cartofi dulci la cuptor","carte funciara"]...
["api",["apio","apia","api","apiland","apia brasov","api meaning","apivita","apidermin","apilarnil","apixaban"]...
curl "http://google.com/complete/search?hl=en&client=opera&q=api"
["api",["apio","apia","api","apiland","apia brasov","api meaning","apivita","apidermin","apilarnil","apixaban"]...
curl "http://google.com/complete/search?hl=en&client=chrome&q=cart"
["cart",["carturesti","cartier","cartofisserie","cartofi frantuzesti","cartofi gratinati","carti","cartofi la cuptor","cartier bracelet","cartofi taranesti","cartoon network","cartita","cartofi copti la cuptor","cartofisserie meniu","cartofi dulci la cuptor","carte funciara"]...
curl "http://google.com/complete/search?hl=en&client=firefox&q=cart"
["cart",["carturesti","cartofisserie","cartofi frantuzesti","cartier","cartofi gratinati","carti","cartofi la cuptor","cartier bracelet","cartofi taranesti","cartoon network"]...
["cart",["carturesti","cartofisserie","cartofi frantuzesti","cartier","cartofi gratinati","carti","cartofi la cuptor","cartier bracelet","cartofi taranesti","cartoon network"]...
curl "http://google.com/complete/search?hl=en&client=opera&q=cart"
["cart",["carturesti","cartofisserie","cartofi frantuzesti","cartier","cartofi gratinati","carti","cartofi la cuptor","cartier bracelet","cartofi taranesti","cartoon network"]...
["cart",["carturesti","cartofisserie","cartofi frantuzesti","cartier","cartofi gratinati","carti","cartofi la cuptor","cartier bracelet","cartofi taranesti","cartoon network"]...
Although the EU forbids Google to favor its own services or browser, it is clear that one gets less results when using different browser names.
Other links:
https://www.google.com/complete/search?client=hp&hl=en&sugexp=msedr&gs_rn=62&gs_ri=hp&cp=1&gs_id=9c&q=a&xhr=t&callback=hello
https://www.google.com/complete/search?client=youtube&hl=en&ds=yt&q=keywordXML output: