Perhaps you should try some spelling variations:
pacientes 10.1 » pacientes 3.1, patients 10.1, paciente 2.1
among partners » paying partners, among farmers, among parents
10.1 among » 1.5 among, 1.8 among
yang yang » wang yang, wang yan
fan de » van de, aan de, can de
jan de » van de, aan de

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 ((yao yang) OR (yang yang)) ((fan de) OR (jan de)) pacientes 10.1 among partners ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yao yang) or (yang yang)) ((fan de) OR (jan de)) pacientes 10.1 among partners ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((yao yang) or (yang yang)) ((fan de) OR (jan de)) pacientes 10.1 among partners ;*.