Perhaps you should try some spelling variations:
sang minh » kang minah, anh minh, song ming
yang yang » wang yang, wang yan
hua gene » human gene, a gene, hy5 gene
song min » song ming, gong min, jong min
cong seo » hong seo, cong shu, cong sun
yang ya » yang yao, yang yi, yang ka
hua ren » hua chen

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

• Performing a fuzzy search may retrieve terms with similar spellings: yang yang ya ((hua gene) or (hua ren)) ((sang minh) OR (song min)) cong seo ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang yang ya ((hua gene) OR (hua ren)) ((sang minh) OR (song min)) cong seo ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yang yang ya ((hua gene) or (hua ren)) ((sang minh) OR (song min)) cong seo ;".
• Adding a wildcard symbol may retrieve word variants: yang yang ya ((hua gene) or (hua ren)) ((sang minh) OR (song min)) cong seo ;*.