Perhaps you should try some spelling variations:
communication based » communication united, communication brazil, communication barriers
technologies 3.3.2 » technologies 8.3.2, technologien 3.3.2, technologies 3.3.1
3.3.2 informations » 3.3.1 informations, 2.3.2 information, 1.3.2 information
de communication » mobile communication, online communication
de developpement » sme development
developpement de » developpement des, developpement durable
de afrique » de l'afrique, en afrique, l afrique
based de » based dm, based debt, based deep
und e » und _, und 2, und 3
e de » et de, e die, e der

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

• Adding a wildcard symbol may retrieve word variants: technologies 3.3.2 informations und e de communication based de developpement de afrique.*.