Perhaps you should try some spelling variations:
gain sharing » basin sharing, chain sharing, fair sharing
china health » china's health, child health, capita health
yan china » can china, dan china, han china
gain sang » shin sang
amin hong » among hong, tin hong, asia hong
lang yan » wang yan, wang yang, zhang yan
min hong » tin hong, min hyoung, min jeong
tan » than

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang yan china health ((gain sang) or (gain sharing)) ((min hong) OR (amin hong)) tan ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yan china health ((gain sang) OR (gain sharing)) ((min hong) OR (amin hong)) tan ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang yan china health ((gain sang) or (gain sharing)) ((min hong) OR (amin hong)) tan ;".
• Adding a wildcard symbol may retrieve word variants: lang yan china health ((gain sang) or (gain sharing)) ((min hong) OR (amin hong)) tan ;*.