Perhaps you should try some spelling variations:
among lecturers » among letters
older patients » elderly patients
les patients » des patients, aids patients, aims patients
yang zhang » yan zhang, zhang zhang, yang yang
zhang plan » zhang silan, zhang fan, zhang jian
near among » years among, dead among, war among
wang yang » wang yan, wang liang, wang yanling

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang zhang plan ((les patients) OR (older patients)) near among lecturers ;~".
• Adding a wildcard symbol may retrieve word variants: wang yang zhang plan ((les patients) OR (older patients)) near among lecturers ;*.