Perhaps you should try some spelling variations:
wang liang » wang yang
liang yang » liang ying, wang yang, yang yang
yang hua » wang hua, yang hui, ying hua
hua gene » human gene, a gene, hua ren
gene yan » gene bank, ren yan, see yan
thi hong » tan hong
cong » congo, long, pong

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 hua gene yan ((thi hong) or (minh cong)) shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang yang hua gene yan ((thi hong) OR (minh cong)) shu ;.
• Adding a wildcard symbol may retrieve word variants: wang liang yang hua gene yan ((thi hong) or (minh cong)) shu ;*.