Perhaps you should try some spelling variations:
close readings » close reading, close meetings, cloud reading
close ratings » close meetings, close range, close reading
wang liang » wang yang
liang yang » liang ying, wang yang, yang yang
among ers » among peers, among users, among east
yang can » yang fan, yang dean, yang yang

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 ((close ratings) or (close readings)) risk among ers ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang yang can ((close ratings) OR (close readings)) risk among ers ;*.