Perhaps you should try some spelling variations:
among farmers » salmon farmers
paciente 1.8 » paciente 2.1, pacientes 3.1, pacienta 2.1
yang yang » wang yang, wang yan
1.8 among » 1.5 among, 19 among, 1 among
yan yang » yao yang, dan yang, tan yang
aan de » van de
jan de » van 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) OR (jan de)) paciente 1.8 among farmers ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yan yang) or (yang yang)) ((aan de) OR (jan de)) paciente 1.8 among farmers ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((yan yang) or (yang yang)) ((aan de) OR (jan de)) paciente 1.8 among farmers ;*.