Perhaps you should try some spelling variations:
communication cross » communication costs
development agency » development agencies, development africa
integration model » integration models, integrative model, interaction model
ngo communication » togo communications, de communication, 3 communication
technologie der » technologie de, technologien des, technologies de
der integration » zur integration, sector integration
cross human » gross human, process human, cross domain
agency case » agency cost, agency can, agency asa
model des » modell des, modelle des, model codes
des ngo » des neo

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

• Adding a wildcard symbol may retrieve word variants: technologie der integration model des ngo communication cross human development agency case.*.