Perhaps you should try some spelling variations:
hong hoang » dong hoang, hong hong, hong kong
irene tan » irene a, rene ten
yang muxi » yang jui, yang hui, yang mu
lang yan » wang yan, wang yang, zhang yan
hoang sy » hoang vu
yang xi » yang di, yang jui
yang yi » yang di, yang jui

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

• If you are trying to use Boolean operators, they must be ALL CAPS: lang yan ((((yang muxi) OR (yang xi))) OR (yang yi)) irene tan hong hoang sy ;~.
• Adding a wildcard symbol may retrieve word variants: lang yan ((((yang muxi) or (yang xi))) or (yang yi)) irene tan hong hoang sy ;*.