Perhaps you should try some spelling variations:
wang liang » wang yang
human gene » human genome, human gender, human bone
dong yang » dong hoang, wang yang, yang yang
huang lin » huang bin, huang jing, huang ting
yang jie » yang jin, yang di, yang jui
hong ng » hong kong, hong jong, hong hong
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: ((dong yang) or (wang liang)) yama ((human gene) or (a gene)) ((huang lin) or (yang jie)) hong ng ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong yang) OR (wang liang)) yama ((human gene) OR (a gene)) ((huang lin) OR (yang jie)) hong ng ;.
• Adding a wildcard symbol may retrieve word variants: ((dong yang) or (wang liang)) yama ((human gene) or (a gene)) ((huang lin) or (yang jie)) hong ng ;*.