Perhaps you should try some spelling variations:
close patients » care patients, les patients, cleft patients
among letters » among lecturers, among learners, among masters
patients si » patients _, patients 1, patients en
liang yang » liang ying, yang yang, huang yang
wang yang » wang yan, wang liang, wang yanling
can close » can lose, a close, can cause
si among » ngi among, sex among, 19 among

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