Perhaps you should try some spelling variations:
sharing risk » sharing best, during risk
rent sharing » risk sharing, rent seeking, cost sharing
wang yang » wang yan, wang liang
risk ying » risk laying, risk using, risk young
hua rent » hua ren
ying shu » ying zhu, cong shu, ying hua
yi hua » li hua, ya hua, yi hui

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yang) OR (wang yanling)) yi hua rent sharing risk ying shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yang) OR (wang yanling)) yi hua rent sharing risk ying shu ;*".