Perhaps you should try some spelling variations:
opfer communication » proper communication, fiber communication, power communication
source development » resource development, resources development, commerce development
development cpia » development capita, development china, development capital
information der » information oder, information does, informatik der
communication 3 » communication _, communication a
technologies 4 » technologies _
4 information » 2 information, 1 information
den opfer » den opfern, der opfer, des opfers
3 source » 3 sources, 13 source, _ source
der den » oder den, der de, der der

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information der den opfer communication 3 source development cpia africa.*.