Perhaps you should try some spelling variations:
wang wang » wang yang, wang liang, wang yan
wang yong » wang yang, wang hyoung, wang yan
yang hua » wang hua, yang hui, ying hua
hua gene » human gene, a gene, hua ren
ying tan » wing tan, liang tan, ying bank
tan kong » tan hong
sar » sara, star, saur

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 yong)) yang hua gene ying tan kong sar ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang wang) OR (wang yong)) yang hua gene ying tan kong sar ;".
• Adding a wildcard symbol may retrieve word variants: ((wang wang) OR (wang yong)) yang hua gene ying tan kong sar ;*.