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

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 fan lose manage risk ((among letters) or (among parents)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang yang fan lose manage risk ((among letters) OR (among parents)) ;*.