Perhaps you should try some spelling variations:
gene liang » peng liang, wee liang
yang yang » wang yang, wang yan
liang dan » liang tan, king dan, liang sun
dan zhong » gao zhong
zhong zhi » zhang zhi, hong ghi, zhong tai
yan wang » yuan wang, qian wang, yan liang
iii gene » iii rene, iii gender, iii genome

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yan wang) OR (yang yang)) iii gene liang dan zhong zhi ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((yan wang) or (yang yang)) iii gene liang dan zhong zhi ;*.