Perhaps you should try some spelling variations:
yuan chang » yuan cheng, huang chang, han chang
liang zhi » liang zhu, wang zhi, liang li
gene hong » eng hong, gene one
hong than » hong tan, long thanh, hong hai
than hong » tan hong, thang long, than one
yang zhi » wang zhi, yan zhi, yang chik
hong sau » wong sau, hong paul, kong sar

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

• Performing a fuzzy search may retrieve terms with similar spellings: yuan chang ((yang zhi) or (liang zhi)) gene hong than hong sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yuan chang ((yang zhi) OR (liang zhi)) gene hong than hong sau ;*.