Perhaps you should try some spelling variations:
china loren » china lehren, china korea, china more
yuan chang » yuan cheng, huang chang, han chang
chang tan » chang ha, chang mae, hong tan
china ren » china real, china reza, china r
wang » wing, wan, lang
yang » ryang
ryang » rryang
yan » ryan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: yuan chang tan ((china ren) OR (china loren)) (yang OR ryang) judy wang yan ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yuan chang tan ((china ren) or (china loren)) (yang OR ryang) judy wang yan ;~".
• Adding a wildcard symbol may retrieve word variants: yuan chang tan ((china ren) or (china loren)) (yang OR ryang) judy wang yan ;*.