Perhaps you should try some spelling variations:
among parents » among patients, among ports
among letters » among lecturers, among learners, among masters
lost manage » losses manage, class manage
manage risk » managing risk
wang liang » wang yang
liang yang » liang ying, wang yang, yang yang
yang can » yang fan, yang dean, yang yang
can lost » can cost, can lose, can post

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: wang liang yang can lost manage risk ((among letters) OR (among parents)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang liang yang can lost manage risk ((among letters) or (among parents)) ;*.