Perhaps you should try some spelling variations:
dong yang » dong hoang, yang yang, dan yang
wang yang » wang yan, wang liang, wang yanling
hua gene » human gene, a gene, hua ren
yang min » yang mind, yang jin, tang min
yang lin » yang jin, wang lin, yang li
hong yu » wong yue
ka hua » ya hua, ka chuan

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)) ka hua gene ((((yang min) OR (yang lin))) or (tang li)) hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong yang) OR (wang yang)) ka hua gene ((((yang min) OR (yang lin))) OR (tang li)) hong yu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong yang) or (wang yang)) ka hua gene ((((yang min) OR (yang lin))) or (tang li)) hong yu ;*".