Perhaps you should try some spelling variations:
china loren » china lehren, china korea, china more
wang yang » wang yan, wang liang, wang yanling
chia rent » chia wen, china ren, china recent
yang fan » zhang fan, yang dean, yang yang
jiu cong » li cong
cong seo » hong seo, cong shu, cong sun
yan jiu » yang jie, yang jin, pang jiu

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang fan ((chia rent) or (china loren)) yan jiu cong seo ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang fan ((chia rent) OR (china loren)) yan jiu cong seo ;.
• Adding a wildcard symbol may retrieve word variants: wang yang fan ((chia rent) or (china loren)) yan jiu cong seo ;*.