Perhaps you should try some spelling variations:
tuan hua » tuan vu, yuan hui
gene yan » gene bank, ren yan, see yan
non same » non state, non frame, non sales
yan hua » ya hua, wang hua, yan guan
tan hua » wang hua, tan chia, tan puay
won sau » wong sau, wong sam, wong siu
yan ji » yan jiu, ban ji, pan ji
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yan ((((yan hua) or (tuan hua))) or (tan hua)) gene yan ji ((won sau) or (non same)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan ((((yan hua) OR (tuan hua))) OR (tan hua)) gene yan ji ((won sau) OR (non same)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yan ((((yan hua) or (tuan hua))) or (tan hua)) gene yan ji ((won sau) or (non same)) ;*.