Perhaps you should try some spelling variations:
wang ying » wang yang, wang yong, wang ning
ying yang » yang yang, yin yang, ying chang
gene wang » gene bank, wen wang
wang jing » wang ning, wang liang, wang yang
zhong zhi » zhang zhi, hong ghi, zhong tai
yang hua » wang hua, yang hui, ying hua
hua gene » human gene, a gene, hua ren
hai » hadi, haji, hari

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ying yang hua gene wang jing ((zhong zhi) or (dang hai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ying yang hua gene wang jing ((zhong zhi) OR (dang hai)) ;*.