Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
une communication » d'une communication, ante communication, de communication
informal schools » formal schools, normal schools, formal school
land development » world development, child development
development care » development case, development core, development cure
technologien 3 » technologies 3, technologien _, technologie 3
schools donors » schools does, schools divorces
care africa » can africa, change africa, trade africa
3 informal » _ informal, vs informal
cost land » cost loans

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

• Adding a wildcard symbol may retrieve word variants: technologien 3 informal schools donors une communication cost land development care africa.*.