Perhaps you should try some spelling variations:
sharing risk » sharing best, during risk
can losers » can lose, can lower
among heis » among ers, among hiv, among jews
yang yang » wang yang, wang yan
among hui » among eu, tong hui, among di
can lost » can cost, can lose, can post
wang » wing, wan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (wang or lang) yang yang ((can lost) or (can losers)) sharing risk ((among hui) OR (among heis)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wang OR lang) yang yang ((can lost) OR (can losers)) sharing risk ((among hui) OR (among heis)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang or lang) yang yang ((can lost) or (can losers)) sharing risk ((among hui) OR (among heis)) ;".
• Adding a wildcard symbol may retrieve word variants: (wang or lang) yang yang ((can lost) or (can losers)) sharing risk ((among hui) OR (among heis)) ;*.