I am using Geocoder to get address from lan/lat coordinates. The problem is that the address is in local language (the street name usually). How can I set it to be only in E
I don't think this is possible. Street names are street names. They don't get translated. You have a name. Your name is your name, no matter what language anybody may speak. You don't "translate" your name when you talk to people in foreign languages.
A Geocoder is just a database that maps Geocoordinates to other entitities. In general you won't find multiple names for a street. There are a few instances where names are translated (city names, for example, can be translated into multiple languages), but theese are the exception and not the rule.