Perhaps you should try some spelling variations:
rent sharing » risk sharing, rent seeking, cost sharing
sharing big » sharing bad, sharing his, sharing oil
dong yang » dong hoang, wang yang, dan yang
yang yang » wang yang, wang yan
hua rent » hua ren
big cong » big bang
ka hua » ya hua, ka chuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong yang) OR (yang yang)) ka hua rent sharing big cong shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong yang) OR (yang yang)) ka hua rent sharing big cong shu ;".
• Adding a wildcard symbol may retrieve word variants: ((dong yang) OR (yang yang)) ka hua rent sharing big cong shu ;*.