Perhaps you should try some spelling variations:
guan chia » tuan china, tan chia
yan guan » gan guan, yan yuan, yang guang
chia ren » china ren, chia wen, chia lan
cong seo » hong seo, cong shu
cong sun » cong shu, cong van, wing sun
yan jiu » yang jie, yang jin, pang jiu
von seo » von see, von seu, von sex
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 guan chia ren yan jiu ((((cong seo) or (von seo))) or (cong sun)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan guan chia ren yan jiu ((((cong seo) OR (von seo))) OR (cong sun)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yan guan chia ren yan jiu ((((cong seo) or (von seo))) or (cong sun)) ;*.