Perhaps you should try some spelling variations:
gain sharing » basin sharing, chain sharing, nation sharing
fair sharing » fair faring, farmer sharing, water sharing
car sharing » tax sharing, water sharing, cost sharing
duck dang » duc dang, buck dana
yan yan » yan yuan, nan yan, yang yang
yan yun » yan yuan, yang yun, yan kun
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 yan yun ((gain sharing) or (((fair sharing) OR (car sharing)))) duck dang (hai or hadi) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan yan yun ((gain sharing) OR (((fair sharing) OR (car sharing)))) duck dang (hai OR hadi) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan yan yun ((gain sharing) or (((fair sharing) OR (car sharing)))) duck dang (hai or hadi) ;".
• Adding a wildcard symbol may retrieve word variants: wang yan yan yun ((gain sharing) or (((fair sharing) OR (car sharing)))) duck dang (hai or hadi) ;*.