Perhaps you should try some spelling variations:
minh congo » minh cong, bind congo
wang yang » wang yan, wang liang, wang yanling
yang yong » wang yong, yang yang, kang young
kian hong » kia hong, kian ming, tan hong
yong hua » dong hua, ying hua, wang hua
hua gene » human gene, a gene, hua ren
gene yan » gene bank, ren yan, see yan

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

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