android - Google Places API returning zero-results with specified keyword -

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i doing android app returns closest places user's location fits specified preferences (pizza, coffee, bar, etc). in order that, using nearby search requests in google places api. how build http request:

public string createrequesturl() {     string requesturl = "";      if ((googleapikey != "") && (lat <= max_google_lat) && (lat >=  min_google_lat)             && (lng <= max_google_lng) && (lng >= min_google_lng)) {         requesturl += "https://maps.googleapis.com/maps/api/place/nearbysearch/json?";         requesturl += "location=" + lat + "," + lng;         requesturl += "&rankby=distance";         requesturl += "&keyword=" + keyword;         requesturl += "&opennow";         requesturl += "&key=" + googleapikey;     }      return requesturl; }

the test query trying execute lat = 45.5017, lng = 73.5673, keyword = "pizza", find pizza places open near montreal.

when execute query api, zero_results status time. using radius field before, have since read question , answer on stackoverflow , seems using rankby in query , removing query responses further x meters in app better want app do.

why getting zero_results status instead of actual pizza, coffee, bar, etc places nearby location?

edit:

i have tried following request well:

public string createrequesturl() {     string requesturl = "";      if ((googleapikey != "") && (lat <= max_google_lat) && (lat >=  min_google_lat)             && (lng <= max_google_lng) && (lng >= min_google_lng)) {         requesturl += "https://maps.googleapis.com/maps/api/place/nearbysearch/json?";         requesturl += "location=" + lat + "," + lng;         requesturl += "&rankby=distance";         requesturl += "&types=food";         requesturl += "&key=" + googleapikey;     }      return requesturl; }

and simple request still returning status zero_results.

change lng = -73.5673 montreal.


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