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 jin » yang jin, jing ji, yang jie
jin ying » li ying
ying sar » using sar, kong sar
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 jin ying sar ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yan yang) OR (yang yang)) human gene ying jin ying sar ;*".