Till today the following query: https://maps.googleapis.com/maps/api/place/search/json?language=ru&location=55.739216,37.547965&radius=1000&sensor=false&types=subway_station|train_station&key=xxxxxxxx
was result with 'Студенческая' , 'Studencheskaya' subway station in Moscow.
Today: ZERO_RESULTS
This issue has already been reported on the Google Places API Issue Tracker here: http://code.google.com/p/gmaps-api-issues/issues/detail?id=4061
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来源：https://stackoverflow.com/questions/10054629/google-places-api-subway-and-train-station-search-in-russia-stopped-working