Perhaps you should try some spelling variations:
wang dong » wang hong, wang yang, wang jing
wang yong » wang yang, wang hyoung, wang yan
yang hua » wang hua, yang hui, ying hua
hua gene » human gene, a gene, hua ren
gene yan » gene bank, ren yan, see yan
won sau » wong sau, wong sam, wong siu
yan ji » yan jiu, ban ji, pan ji

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang dong) OR (wang yong)) yang hua gene yan ji won sau ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang dong) OR (wang yong)) yang hua gene yan ji won sau ;".
• Adding a wildcard symbol may retrieve word variants: ((wang dong) OR (wang yong)) yang hua gene yan ji won sau ;*.