Perhaps you should try some spelling variations:
paying partners » trading partners, among partners, being partners
among learners » among farmers, among teachers, among learning
patients 10.1 » patients 10.12, patients 10.5, patients 10.6
des patients » des patents, les patients, des patienten
han chang » huang chang, than change, can change
meng han » meng hsuan, cheng han, jeong han
plan des » plan de, bilan des, plan du

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: meng han chang plan des patients 10.1 ((among learners) OR (paying partners)) ;~.
• Adding a wildcard symbol may retrieve word variants: meng han chang plan des patients 10.1 ((among learners) or (paying partners)) ;*.