Perhaps you should try some spelling variations:
sharing mining » sharing during, sharing learning
rent sharing » risk sharing, rent seeking, cost sharing
mining kong » ming kong, mining using
wing yan » wing ian, wing tan, wang yang
yang hua » wang hua, yang hui, ying hua
hua rent » hua ren

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wing yan) OR (wang yan)) yang hua rent sharing mining kong (sar or saur) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wing yan) OR (wang yan)) yang hua rent sharing mining kong (sar OR saur) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wing yan) OR (wang yan)) yang hua rent sharing mining kong (sar or saur) ;*".