Perhaps you should try some spelling variations:
la communication » data communication, data communications
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
variation des » variation _, variation 6, variation series
des doner » des der, des don, des doses
doner la » done a, oser la
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: apology _ variation des doner la communication a de developpement en afrique.*.