Perhaps you should try some spelling variations:
dong yang » dong hoang, yang yang, dan yang
wang yong » wang hyoung, wang yan, wang shiyong
gene wang » gene bank, wen wang
wang yang » wang yan, wang liang, wang yanling
yang hong » wang hong, yang hongli, quang hong
yala hua » ya hua
hua gene » human gene, a gene, hua ren
hong yu » wong yue

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 yong)) yala hua gene wang yang hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong yang) OR (wang yong)) yala hua gene wang yang hong yu ;*.