Perhaps you should try some spelling variations:
dong hoang » hong hong
dong yang » wang yang, yang yang, dan yang
hua rent » hua ren
rent yan » ren yan, rent a
wong sam » wong sau, wong lai, kong sar
ji wong » ji won, ji zhong, kie wong
yan ji » yan jiu, ban ji, pan ji

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((dong yang) or (dong hoang)) hua rent yan ji wong sam ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((dong yang) OR (dong hoang)) hua rent yan ji wong sam ;.
• Adding a wildcard symbol may retrieve word variants: wang ((dong yang) or (dong hoang)) hua rent yan ji wong sam ;*.