Perhaps you should try some spelling variations:
communication based » communication united, communication brazil, communication barriers
may developpement » au developpement, de developpement, le developpement
conformacion des » conformacion del, conformacion de, consommation des
de communication » mobile communication, online communication
des afrique » en afrique, de l'afrique
des choses » des codes, des crises
choses de » causes de, cotes de, phases de
based may » based many, based pay, base may

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

• Adding a wildcard symbol may retrieve word variants: technologies _ conformacion des choses de communication based may developpement des afrique.*.