Perhaps you should try some spelling variations:
wang liang » wang yang
liang yang » liang ying, wang yang, yang yang
yang human » facing human
human gene » human genome, human gender, human bone
gene yang » gene bank
li hong » le hong, li cong, li rong
li song » li cong, li rong, kim song

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang liang yang human gene yang ((li hong) or (li song)) ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang yang human gene yang ((li hong) OR (li song)) ghi ;.
• Adding a wildcard symbol may retrieve word variants: wang liang yang human gene yang ((li hong) or (li song)) ghi ;*.