Incomplete search term can populate the result but complete search term cannot

[Lok-CC]

Trying search for some location, but somehow complete address return empty result, while incomplete address return the result I need.

For example:

1. Incomplete Search Term: "987B BUANGKOK GRE" - can find the location
   Using this API call: https://api.mapbox.com/geocoding/v5/mapbox.places/987B%20BUANGKOK%20GREEN.json?access_token=pk.eyJ1IjoidGVhbWxpb24iLCJhIjoiY2t0cGE5ejEyMDhidTJybXBxNDJzb3Q3OSJ9.Q08qRfje9TI7mK7JYR8AOQ&autocomplete=true&country=sg

2. Complete Search Term: "987B BUANGKOK GREEN" - return empty array