Perhaps you should try some spelling variations:
huang yang » huang ying, huang chang, wang yang
yang yang » wang yang, wang yan
gene yang » gene bank
hua gene » human gene, a gene, hua ren
hong ghi » zhong zhi, hong g, hong hai
yang yi » yang di, yang xi, yang jui
yi hong » yi rong, kia hong, thi hong

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 yang) or (huang yang)) hua gene yang yi hong ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yang yang) OR (huang yang)) hua gene yang yi hong ghi ;*.