Perhaps you should try some spelling variations:
egal communication » oral communication, real communication, verbal communication
education systems » education system
en developpement » et developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
peer education » teacher education, higher education
systems do » systems der, systems 1, systems 2
do egal » doch egal

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: typology peer education systems do egal communication _ en developpement en afrique.*.