Perhaps you should try some spelling variations:
ghana china » china china, ghana ghana
tran ghana » urban ghana, trade ghana, tran thanh
hong tran » hong tan, tung tran
china who » china why, china what, china won
ying jiao » ying jin, jing jia
ping jia » jing jia, jing ji, ying jin
gong hui » tong shui, wang hui, gong si
tong hui » wang hui

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

• Performing a fuzzy search may retrieve terms with similar spellings: hong tran ghana china who ((ying jiao) or (ping jia)) ((gong hui) OR (tong hui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hong tran ghana china who ((ying jiao) OR (ping jia)) ((gong hui) OR (tong hui)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hong tran ghana china who ((ying jiao) or (ping jia)) ((gong hui) OR (tong hui)) ;".
• Adding a wildcard symbol may retrieve word variants: hong tran ghana china who ((ying jiao) or (ping jia)) ((gong hui) OR (tong hui)) ;*.