Perhaps you should try some spelling variations:
wang liang » wang yang
wang wang » wang yang, wang yan, wang yong
gene yang » gene bank
hua gene » human gene, a gene, hua ren
jin song » jie song, john song, jin ying
kim song » kim young, kim eung
yan hua » tan hua, ya hua, wang hua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang wang) OR (wang liang)) yan hua gene yang ((jin song) or (kim song)) same ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang wang) OR (wang liang)) yan hua gene yang ((jin song) OR (kim song)) same ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang wang) OR (wang liang)) yan hua gene yang ((jin song) or (kim song)) same ;".
• Adding a wildcard symbol may retrieve word variants: ((wang wang) OR (wang liang)) yan hua gene yang ((jin song) or (kim song)) same ;*.