Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang yan
dong sign » dong sin, among sign, dong bin
gene yang » gene bank
hua gene » human gene, a gene, hua ren
yang tin » yang jin, yang lin, yang jing
tin wong » tin hong, t.j wong, kie wong
wong sau » wong sam, wong siu, wong shiu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yong) or (dong sign)) ya hua gene yang tin wong sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yong) OR (dong sign)) ya hua gene yang tin wong sau ;.
• Adding a wildcard symbol may retrieve word variants: ((wang yong) or (dong sign)) ya hua gene yang tin wong sau ;*.