Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan 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 wang ((yang zhi) OR (liang zhi)) gene hong than hong sau ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yuan wang ((yang zhi) OR (liang zhi)) gene hong than hong sau ;*".