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 8 » technologien _, technologien 1, technologien 4
schools donors » schools does, schools divorces
care africa » can africa, change africa, trade africa
8 informal » _ informal, 3 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 8 informal schools donors une communication cost land development care africa.*.