Perhaps you should try some spelling variations:
yang yang » wang yang
zhong zhi » zhang zhi, hong ghi, zhong tai
hua gene » human gene, a gene, hua ren
yang lin » yang jin, yang li, yang liang
wang lin » wang qin, wang limin, wang liang
wang li » wang lei, tang li, wang di
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 yan) or (yang yang)) ka hua gene ((yang lin) or (((wang lin) OR (wang li)))) zhong zhi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yan) OR (yang yang)) ka hua gene ((yang lin) OR (((wang lin) OR (wang li)))) zhong zhi ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yan) or (yang yang)) ka hua gene ((yang lin) or (((wang lin) OR (wang li)))) zhong zhi ;".
• Adding a wildcard symbol may retrieve word variants: ((wang yan) or (yang yang)) ka hua gene ((yang lin) or (((wang lin) OR (wang li)))) zhong zhi ;*.