Perhaps you should try some spelling variations:
communication based » communication united, communication brazil, communication barriers
data communication » data communications
cd developpement » de developpement, le developpement, et developpement
conformacion de » conformacion del, informacion de, conformation _
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
dhs data » das data, hbs data, gas data
based cd » based cad, based cfd, based c
de dhs » de ds

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

• Adding a wildcard symbol may retrieve word variants: technologies _ conformacion de dhs data communication based cd developpement l afrique.*.