Perhaps you should try some spelling variations:
wang wang » wang yang, wang liang, wang yan
wang tan » wang yan, wang ban, wang dan
hua gene » human gene, hua ren, hy5 gene
yang jui » yang judy, yang di, yang xi
won sau » wong sau, wong sam, wong siu
a gene » a genre, a gender, a gentle
yan ji » yan jiu, ban ji, pan ji

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 tan ((hua gene) OR (a gene)) ((yan ji) or (yang jui)) won sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang wang tan ((hua gene) OR (a gene)) ((yan ji) OR (yang jui)) won sau ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang wang tan ((hua gene) OR (a gene)) ((yan ji) or (yang jui)) won sau ;*".