Perhaps you should try some spelling variations:
wang dong » wang yong, wang hong, wang yang
yang hua » wang hua, ying hua, wang hui
yang hui » wang hui, yang muxi, zhang hui
yang jui » yang judy, yang di, yang xi
gene yan » gene bank, ren yan, see yan
won sacu » non sacu, von sach, wong sau
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 ((((yang hua) OR (yang hui))) or (yang jui)) gene yan ji won sacu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang dong ((((yang hua) OR (yang hui))) OR (yang jui)) gene yan ji won sacu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang dong ((((yang hua) OR (yang hui))) or (yang jui)) gene yan ji won sacu ;".
• Adding a wildcard symbol may retrieve word variants: wang dong ((((yang hua) OR (yang hui))) or (yang jui)) gene yan ji won sacu ;*.