Perhaps you should try some spelling variations:
sharing mining » sharing during, sharing learning
cost sharing » risk sharing, cost savings
mining wong » mining work, mining using
doing sin » dong sin, doing un, doing von
wang yang » wang liang, wang yanling
wong sau » wong sam, wong siu, wong shiu
kai a » kai fa
ka a » a a, k a, 1a a

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doing sin) or (((wang yang) or (wang yan)))) ((ka a) OR (kai a)) cost sharing mining wong sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doing sin) OR (((wang yang) OR (wang yan)))) ((ka a) OR (kai a)) cost sharing mining wong sau ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doing sin) or (((wang yang) or (wang yan)))) ((ka a) OR (kai a)) cost sharing mining wong sau ;".
• Adding a wildcard symbol may retrieve word variants: ((doing sin) or (((wang yang) or (wang yan)))) ((ka a) OR (kai a)) cost sharing mining wong sau ;*.