Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang yan
yang minh » yang mind, kang minah, yang jin
sang minh » kang minah, song min, song ming
yong yan » yang yang, dong yang, ying yang
hua gene » human gene, hua ren, hy5 gene
a gene » a genre, a gender, a gentle
cong » congo, long, hong

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yong yan ((hua gene) OR (a gene)) ((((yang minh) or (anh minh))) or (sang minh)) cong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yong yan ((hua gene) OR (a gene)) ((((yang minh) OR (anh minh))) OR (sang minh)) cong shu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yong yan ((hua gene) OR (a gene)) ((((yang minh) or (anh minh))) or (sang minh)) cong shu ;*".