Perhaps you should try some spelling variations:
wang wang » wang liang, wang yan, wang yong
wang yang » wang yan, wang liang, wang yanling
gene yang » gene bank
wong sam » wong sau, wong lai, kong sar
yang ji » yang jui, yang jie, yang jin
ji wong » ji won, ji zhong, kie wong
yong a » kong a, hong a, jong a
a gene » a genre, a gender, a gentle

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang wang) or (wang yang)) yong a gene yang ji wong sam ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang wang) OR (wang yang)) yong a gene yang ji wong sam ;*.