Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
de communication » mobile communication, online communication
technologies co » technologies _, technologies 4, technologies 2
information und » informations und
co information » do information, 2 information, 1 information
barriers a » barriers _, barrier _
und fach » und fall
fach de » fach der, batch de, coach de

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

• Adding a wildcard symbol may retrieve word variants: technologies co information und fach de communication barriers a development 1 africa.*.