Perhaps you should try some spelling variations:
communication model » communication media
data communication » data communications
technologies als » technologien als, technologies dans, technologies a
als informations » als information, des informations, a informations
development all » development fall, development als, development small
all african » east african
model gas » model gaps, model gb, model gui
der data » under data, order data, der daten
und » fund

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

• Adding a wildcard symbol may retrieve word variants: technologies als informations und der data communication model gas development all african.*.