Perhaps you should try some spelling variations:
wing yan » wang yan, wing ian, wing tan
tuan hua » tuan vu, yuan hui
tan chia » tuan china, than china, can china
pang jiu » pang jun, yang jie, yang jin
long shu » cong shu, tong shui, long du
tan hua » wang hua, tan puay
yan jiu » yang jie, yang jin

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing yan ((((tan hua) or (tuan hua))) or (tan chia)) ren ((yan jiu) or (pang jiu)) long shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing yan ((((tan hua) OR (tuan hua))) OR (tan chia)) ren ((yan jiu) OR (pang jiu)) long shu ;.
• Adding a wildcard symbol may retrieve word variants: wing yan ((((tan hua) or (tuan hua))) or (tan chia)) ren ((yan jiu) or (pang jiu)) long shu ;*.