Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
wang yong » wang hyoung, wang yan, wang shiyong
gene yang » gene bank
tin zhong » tin hong, bin zhang, ji zhong
zhong tai » hong tan, hong hai, zhong zhi
hua gene » human gene, a gene, hua ren
yang tin » yang jin, yang lin, yang jing
ka hua » ya hua, ka chuan

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

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