Perhaps you should try some spelling variations:
communication model » communication media
data communication » data communications
urban development » human development
information der » information oder, information does, informatik der
development en » developpement en, development menu, development eco
model urban » modern urban, modeling urban
der cases » der case, der care, der cas

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

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