Perhaps you should try some spelling variations:
lang yuan » fang yuan, wang yuhan, tang yun
meng yuan » meng hsuan, fang yuan, feng juan
gene yang » gene bank
yang tan » yang fan, yang dean, yang yang
hong yu » wong yue
wang a » wang _, fang a, lang a
a gene » a genre, a gender, a gentle

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((lang yuan) OR (meng yuan)) wang a gene yang tan hong yu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((lang yuan) OR (meng yuan)) wang a gene yang tan hong yu ;".
• Adding a wildcard symbol may retrieve word variants: ((lang yuan) OR (meng yuan)) wang a gene yang tan hong yu ;*.