Perhaps you should try some spelling variations:
jong yang » wang yang, jong jan, ng yang
dong yang » dong hoang, wang yang, dan yang
yang yang » wang yang, wang yan
irene han » irene a
han minh » han min, tuan minh, chan ming
cong » congo, long, pong
thin » think, than, twin

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

• Performing a fuzzy search may retrieve terms with similar spellings: hong ((jong yang) or (((dong yang) or (yang yang)))) hui irene han minh cong thin ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hong ((jong yang) OR (((dong yang) OR (yang yang)))) hui irene han minh cong thin ;.
• Adding a wildcard symbol may retrieve word variants: hong ((jong yang) or (((dong yang) or (yang yang)))) hui irene han minh cong thin ;*.