Perhaps you should try some spelling variations:
communication control » communication central, communication controlled, communication congo
under developpement » under development, de developpement, un developpement
oral communication » personal communication
developpement en » developpement et, developpement des, developpement de
do's variation » does variation, modes variation, de variation
variation des » variation _, variation 6, variation series
control under » control united
dem oral » dem gral, dem ort
des dem » das dem, des der, des des
apology » typology, topology

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

• Adding a wildcard symbol may retrieve word variants: apology do's variation des dem oral communication control under developpement en afrique.*.