Perhaps you should try some spelling variations:
communication model » communication media
data communication » data communications
urban development » human development
informatik der » information der, information oder, informatik und
development en » developpement en, development menu, development eco
model urban » modern urban, modeling urban
cas data » case data, cdas data, gas data
der cas » der casa, der case, der ca

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

• Adding a wildcard symbol may retrieve word variants: technologies _ informatik der cas data communication model urban development en afrique.*.