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

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 jui) OR (yang xi))) OR (yang yi)) irene tan dong hoang sy ;~.
• Adding a wildcard symbol may retrieve word variants: lang yan ((((yang jui) or (yang xi))) or (yang yi)) irene tan dong hoang sy ;*.