Here, i have attached the PDF, that PDF document contains "Nudi" as an embedded font. When i searching the particular word (that in Nudi font), the search result selecting the word that context next to the exact word.

Link to PDF file (or attach file here):
[sample_pdf.zip](https://github.com/mozilla/pdf.js/files/229582/sample_pdf.zip)

Configuration:
- Web browser and its version: Mozilla 45.0.2
- Operating system and its version: Windows 7
- PDF.js version: 1.4.20-disc

What is the expected behavior? (add screenshot)
![find_01](https://cloud.githubusercontent.com/assets/17423938/14704922/c2e67f2c-07d4-11e6-9320-9aed2578d377.png)

}
    
    this._nextPageMatch();
  }
  _matchesReady(matches) {
    const offset = this._offset;
    const numMatches = matches.length;
    const previous = this._state.findPrevious;
    if (numMatches) {
      
      offset.matchIdx = previous ? numMatches - 1 : 0;
      this._updateMatch( true);
      return true;
    }
    
    this._advanceOffsetPage(previous);
    if (offset.wrapped) {
      offset.matchIdx = null;
      if (this._pagesToSearch < 0) {
        
        this._updateMatch( false);
        
        
        return true;
      }
    }
    
    return false;
  }
  _nextPageMatch() {