Perhaps you should try some spelling variations:
wang liang » wang yang
liang yang » liang ying, wang yang, yang yang
loss among » costs among, jobs among
among ers » among peers, among users, among east
can lost » can cost, can boost, can close
can lose » can close, can losers, can't lose
can post » can cost, can past, can postal

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang liang yang ((((can lost) OR (can lose))) or (can post)) learning loss among ers ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang yang ((((can lost) OR (can lose))) OR (can post)) learning loss among ers ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang yang ((((can lost) OR (can lose))) or (can post)) learning loss among ers ;*".