Perhaps you should try some spelling variations:
yanling yang » yang yang, ying yang
gene yang » gene bank
yang hua » wang hua, yang hui, ying hua
hua gene » human gene, a gene, hua ren
li hong » le hong, li cong, li rong
li song » li cong, li rong, kim song
wang » wing, 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 or wan) yanling yang hua gene yang ((li hong) OR (li song)) ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wang OR wan) yanling yang hua gene yang ((li hong) OR (li song)) ghi ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang or wan) yanling yang hua gene yang ((li hong) OR (li song)) ghi ;".
• Adding a wildcard symbol may retrieve word variants: (wang or wan) yanling yang hua gene yang ((li hong) OR (li song)) ghi ;*.