Perhaps you should try some spelling variations:
wang ying » wang yang, wang yong, wang jing
ying yang » yang yang, yin yang, ying chang
gene wang » gene bank
zhang zhi » zhong zhi, wang zhi, zhang wei
yang hua » wang hua, yang hui, ying hua
wen wang » wei wang, chen wang, weng fang
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) OR (wen wang)) yang ((zhang zhi) or (dang hai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ying yang hua ((gene wang) OR (wen wang)) yang ((zhang zhi) OR (dang hai)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ying yang hua ((gene wang) OR (wen wang)) yang ((zhang zhi) or (dang hai)) ;*".