Perhaps you should try some spelling variations:
human gene » human genome, human gender, human bone
wang wang » wang liang, wang yan, wang yong
wang yang » wang yan, wang liang, wang yanling
hua gene » a gene, hua ren, hy5 gene
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 yang ((hua gene) OR (human gene)) ying tan kong sar ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang wang yang ((hua gene) OR (human gene)) ying tan kong sar ;".
• Adding a wildcard symbol may retrieve word variants: wang wang yang ((hua gene) OR (human gene)) ying tan kong sar ;*.