Perhaps you should try some spelling variations:
human gene » human genome, human gender, human bone
wang yang » wang yan, wang liang, wang yanling
sang minh » kang minah, anh minh, song min
hua gene » a gene, hua ren, hy5 gene
yang lin » yang jin, wang lin, yang li
yang ka » yang fan, yang yao
hong yu » wong yue

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang ka ((hua gene) OR (human gene)) ((yang lin) OR (((sang minh) OR (tang li)))) hong yu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang ka ((hua gene) OR (human gene)) ((yang lin) OR (((sang minh) OR (tang li)))) hong yu ;".
• Adding a wildcard symbol may retrieve word variants: wang yang ka ((hua gene) OR (human gene)) ((yang lin) OR (((sang minh) OR (tang li)))) hong yu ;*.