Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
gene hong » eng hong
gene gene » gene meme, one gene
yan wang » yuan wang, yang yang, qian wang
gene one » gene clone, gene we, none one
thi hong » tan hong
yang i » yang di, yang xi, yang yi

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

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