Perhaps you should try some spelling variations:
china recent » china ancient, asia recent, china ren
yang yang » wang yang, wang yan
yang jin » yang jun, ying jin, shang jin
yang jie » yang di, yang jui, yang xi
cong seo » hong seo, cong shu, cong sun
yan jiu » pang jiu
pan ji » ban ji, pan di, san 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 ((yang jin) or (yang yang)) china recent ((((yan jiu) OR (yang jie))) or (pan ji)) cong seo ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yang jin) OR (yang yang)) china recent ((((yan jiu) OR (yang jie))) OR (pan ji)) cong seo ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yang jin) or (yang yang)) china recent ((((yan jiu) OR (yang jie))) or (pan ji)) cong seo ;".
• Adding a wildcard symbol may retrieve word variants: wang ((yang jin) or (yang yang)) china recent ((((yan jiu) OR (yang jie))) or (pan ji)) cong seo ;*.