Perhaps you should try some spelling variations:
communication based » communication united, communication brazil, communication barriers
technologies 3.1 » technologies 2.1, technologies 3.2, technologies _
de communication » mobile communication, online communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
information der » information oder, information does, informatik der
based de » based dm, based debt, based deep
de de » e de, de ce, de se

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

• Adding a wildcard symbol may retrieve word variants: technologies 3.1 information der de de communication based de developpement en afrique.*.