Perhaps you should try some spelling variations:
dong hoang » hong hong
tan yong » tan hong, tan kong, tan yang
yang hua » wang hua, yang hui, ying hua
yang jui » yang judy, yang di, yang xi
seen yan » see yan, sun yan, seen a
can wong » can hong, can work, can win
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: ((tan yong) or (dong hoang)) ((yang hua) or (yang jui)) ((seen yan) OR (ren yan)) can wong yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tan yong) OR (dong hoang)) ((yang hua) OR (yang jui)) ((seen yan) OR (ren yan)) can wong yue ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tan yong) or (dong hoang)) ((yang hua) or (yang jui)) ((seen yan) OR (ren yan)) can wong yue ;*".