Perhaps you should try some spelling variations:
rent sharing » risk sharing, rent seeking, cost sharing
sharing 3d » sharing 3, sharing d, sharing 3.2
yan yang » yang yang, dan yang, tan yang
yao yang » yang yang
wong yue » wang yue, hong yu
yi rent » oil rent
cong » congo, long, hong

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wan ((yan yang) OR (yao yang)) yi rent sharing 3d ((cong shu) OR (wong yue)) ;~.
• Adding a wildcard symbol may retrieve word variants: wan ((yan yang) or (yao yang)) yi rent sharing 3d ((cong shu) or (wong yue)) ;*.