Perhaps you should try some spelling variations:
yanling yang » yang yang, ying yang
human gene » human genome, human gender, human bone
hua gene » a gene, hua ren, hy5 gene
yang lin » yang jin, wang lin, yang liang
song ghi » hong ghi, song shin, song li
yang li » yang di, yang xi, yang yi
wang » wing, wan, lang

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

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