Perhaps you should try some spelling variations:
wang shiyong » wang hyoung
shiyong kong » hong kong, sing kong
region gan » region a, region al, region gandja
a region » a regional
wong sam » wong sau, wong lai, kong sar
hong yu » wong yue
kong a » kong _, kong sar, kong yam

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang shiyong kong a region gan li ((wong sam) or (hong yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang shiyong kong a region gan li ((wong sam) OR (hong yu)) ;*.