Perhaps you should try some spelling variations:
among partners » paying partners, among farmers, among parents
paciente 2.1 » pacienta 2.1, pacientes 3.1, science 2.1
de paciente » de pacientes, del paciente, de parente
yang yang » wang yang, wang yan
2.1 among » 2.15 among, 1.5 among, 1.8 among
yan yang » yao yang, dan yang, tan yang
aan de » van de, jan de
wang » wing, wan, lang

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 ((yan yang) OR (yang yang)) aan de paciente 2.1 among partners ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((yan yang) or (yang yang)) aan de paciente 2.1 among partners ;*.