Perhaps you should try some spelling variations:
china changqi » china chang, china shanghai, chin chang
changqi kong » change long, change hong
ghana china » china china, ghana ghana
fang yuan » wang yuhan, wang yan, meng yuan
yan yuan » yan guan, nan yan, yan clan
wong yue » wang yue
wang » wing, wan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (wang or lang) ((yan yuan) or (fang yuan)) ghana china changqi kong ((hong yu) OR (wong yue)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wang OR lang) ((yan yuan) OR (fang yuan)) ghana china changqi kong ((hong yu) OR (wong yue)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang or lang) ((yan yuan) or (fang yuan)) ghana china changqi kong ((hong yu) OR (wong yue)) ;*".