Perhaps you should try some spelling variations:
ghana health » china health, data health
gain sharing » basin sharing, chain sharing, fair sharing
min hyoung » min hong
yan ghana » yan guan, yan zhang
gain sang » shin sang
mun young » yun young, ju young, cyn young
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yan ghana health ((gain sang) or (gain sharing)) ((min hyoung) or (mun young)) tan ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan ghana health ((gain sang) OR (gain sharing)) ((min hyoung) OR (mun young)) tan ;.
• Adding a wildcard symbol may retrieve word variants: wang yan ghana health ((gain sang) or (gain sharing)) ((min hyoung) or (mun young)) tan ;*.