Perhaps you should try some spelling variations:
communication based » communication united, communication brazil, communication barriers
technologies 2.3.1 » technologies 1.3.1, technologies 2.4.1, technologies 3.3.1
leur developpement » le developpement, deux developpements, de developpement
2.3.1 information » 2.3.2 information, 2.2.1 information, 2.3.3 information
get communication » et communication, debt communication, de communication
information use » information und, information 2
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
use den » se den
den get » den gt, den geist, den geld

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.3.1 information use den get communication based leur developpement l afrique.*.