Perhaps you should try some spelling variations:
guifang yang » cuifen yang, huang yang
gene wang » gene bank, wen wang
hua gene » human gene, a gene, hua ren
wang tao » wang qiao, huang tao, kang tae
tao hong » tan hong, dao huong, gao zhong
hong shu » cong shu, tong shui, wong shiu
dong » doing, long, done

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: dong ((guifang yang) or (wang yan)) hua gene wang tao hong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong ((guifang yang) OR (wang yan)) hua gene wang tao hong shu ;*.