Perhaps you should try some spelling variations:
dong hoang » hong hong
wang dong » wang yong, wang hong, wang yang
hoang yi » hoang vu, yang yi, hoang sy
wang lin » wang li, wang qin, wang limin
yang lin » yang jin, yang li, yang liang
hong hai » shang hai, zhong tai, dang hai
wong yue » wang yue, hong yu

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 hoang yi ((wang lin) or (yang lin)) li ((hong hai) or (wong yue)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang dong hoang yi ((wang lin) OR (yang lin)) li ((hong hai) OR (wong yue)) ;*.