Perhaps you should try some spelling variations:
human gene » human genome, human gender, human bone
yang yang » wang yang, wang yan
yan yang » yao yang, dan yang, tan yang
ying sar » using sar, kong sar
ying li » ling li, yang li, ying jin
yin li » yin lei, yin lie, yin la
wang » wing, wan, lang

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 yang) or (yang yang)) human gene ((ying li) OR (yin li)) ying sar ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yan yang) OR (yang yang)) human gene ((ying li) OR (yin li)) ying sar ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yan yang) or (yang yang)) human gene ((ying li) OR (yin li)) ying sar ;".
• Adding a wildcard symbol may retrieve word variants: wang ((yan yang) or (yang yang)) human gene ((ying li) OR (yin li)) ying sar ;*.