Perhaps you should try some spelling variations:
tang tang » taizong tang
hua gene » human gene, a gene, hua ren
gene anh » gene bank, gene one
anh ming » anh minh, wan ming
cong seo » hong seo, cong shu, von seo
cong sun » cong shu, cong van, wing sun
tang yi » yang yi, tang li, tan yi
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: tang tang yi hua gene anh ming ((cong seo) or (cong sun)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tang tang yi hua gene anh ming ((cong seo) OR (cong sun)) ;*.