Perhaps you should try some spelling variations:
change ghana » exchange ghana, change change, ghana ghana
than change » chain change, can change, mean change
qian wang » yiqian wang, qian rong, qian yan
ghana xin » ghana eiu, ghana can
xin cong » xin tong, minh cong, yan cong
cong van » congo can, duong van, cong sun

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((yuhuan huang) or (qian wang)) than change ghana xin cong van ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yuhuan huang) OR (qian wang)) than change ghana xin cong van ;.
• Adding a wildcard symbol may retrieve word variants: wang ((yuhuan huang) or (qian wang)) than change ghana xin cong van ;*.