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, mun young
hyoung tan » hyoung gun, young man, hong tan
yan ghana » yan guan, yan zhang
gain sang » shin sang
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 tan ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan ghana health ((gain sang) OR (gain sharing)) min hyoung tan ;".
• Adding a wildcard symbol may retrieve word variants: wang yan ghana health ((gain sang) OR (gain sharing)) min hyoung tan ;*.