Perhaps you should try some spelling variations:
among masters » among partners, among farmers, among letters
des patients » des patents, les patients, des patienten
patients 1.8 » patients 10.1, patients 10.5, patients 10.6
among actors » among doctors, among acholi, among donors
wang liang » wang yang
yang yang » wang yang, wang yan
yang fan » zhang fan, yang dean, yang jin

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 fan) OR (yang yang)) des patients 1.8 ((among masters) OR (among actors)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang ((yang fan) OR (yang yang)) des patients 1.8 ((among masters) or (among actors)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang liang ((yang fan) OR (yang yang)) des patients 1.8 ((among masters) or (among actors)) ;*.