Perhaps you should try some spelling variations:
tran hoang » tran trang
hoang kong » hong kong, hoang making
zhang zhi » zhong zhi, wang zhi, zhang wei
kong hua » dong hua, wang hua, kong a
hua ren » hua chen
yang li » yang lin, yang yi, tang li
yang xi » yang yi, yang jui

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

• Performing a fuzzy search may retrieve terms with similar spellings: tran hoang kong hua ren ((((yang li) or (yang xi))) or (yang di)) zhang zhi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tran hoang kong hua ren ((((yang li) OR (yang xi))) OR (yang di)) zhang zhi ;*.