Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
iii gender » ii gender, i gender
wang yang » wang yan, wang liang, wang yanling
liang yan » liang dan, liang tan, liang ying
yan zhong » yan zhang, tan hong, yan cong
zhong zhi » zhang zhi, hong ghi, zhong tai
iii gene » iii rene, iii genome, i gene

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang guang ((iii gender) OR (iii gene)) liang yan zhong zhi ;~".
• Adding a wildcard symbol may retrieve word variants: wang yang guang ((iii gender) OR (iii gene)) liang yan zhong zhi ;*.