Perhaps you should try some spelling variations:
ghana health » china health, data health
health gain » health goals
kong ghana » kong china, kong hang
hyoung tan » hyoung gun, young man, hong tan
wang kong » wang yong, wang hong, hong kong
sang minh » kang minah, anh minh, song min
yang jie » yang jin, yang di, yang xi
yang jui » yang judy, yang di, yang xi

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

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