Perhaps you should try some spelling variations:
sharing mining » sharing during, sharing learning
rent sharing » risk sharing, rent seeking, cost sharing
mining wong » mining work, mining using
doing sin » dong sin, doing un, doing von
hua rent » hua ren
wong sau » wong sam, wong siu, wong shiu

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 yan)) ya hua rent sharing mining wong sau ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doing sin) OR (wang yan)) ya hua rent sharing mining wong sau ;*".