Perhaps you should try some spelling variations:
dong yang » dong hoang, yang yang, dan yang
wang yang » wang yan, wang liang, wang yanling
gene yang » gene bank
jeong ghi » hong ghi, jeong mi
jeong 情 » jeong _, jeongui 情, jeong mi
hua gene » human gene, a gene, hua ren
yang min » yang mind, yang jin, tang min
yi hua » li hua, ya hua, yi hui

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 yang)) yi hua gene yang min ((jeong ghi) or (jeong 情)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong yang) OR (wang yang)) yi hua gene yang min ((jeong ghi) OR (jeong 情)) ;.
• Adding a wildcard symbol may retrieve word variants: ((dong yang) or (wang yang)) yi hua gene yang min ((jeong ghi) or (jeong 情)) ;*.