Perhaps you should try some spelling variations:
sang minh » kang minah, anh minh, song min
yang yao » yang yang, wang yan, yang fan
hua gene » human gene, a gene, hua ren
yang lin » yang jin, wang lin, yang li
hong hai » shang hai, zhong tai, dang hai
chang ha » chang mae
yang yi » yang di, yang xi, yang jui

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang yao) or (yang yi))ng ya hua gene ((sang minh) or (yang lin)) ((hong hai) or (chang ha)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yao) OR (yang yi))ng ya hua gene ((sang minh) OR (yang lin)) ((hong hai) OR (chang ha)) ;.
• Adding a wildcard symbol may retrieve word variants: ((yang yao) or (yang yi))ng ya hua gene ((sang minh) or (yang lin)) ((hong hai) or (chang ha)) ;*.