Perhaps you should try some spelling variations:
ghana china » china china, ghana ghana
chang chuan » chung chuan, chen chuan, chang ch'un
hang china » han china, change china, kong china
chuan hua » chuang hui, chuan fa, chun hui
zhong tai » hong hai, zhong zhi
wang » wing, wan, lang
zhong » zlong
hong » long
tan » than

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: wang yan ((hang china) OR (ghana china)) chang chuan hua ((zhong tai) OR (hong tan)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan ((hang china) OR (ghana china)) chang chuan hua ((zhong tai) or (hong tan)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yan ((hang china) OR (ghana china)) chang chuan hua ((zhong tai) or (hong tan)) ;*.