Perhaps you should try some spelling variations:
data communication » data communications
technology change » technological change, technological changes
developpement il » developpement de, developpement et, developpement du
change section » change action, change detection, change education
section moves » section codes, section modell, section one
moves space » moves spaces, over space
space data » spaces data, sparse data, place data
il afrique » l afrique, en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology change section moves space data communication costs _ developpement il afrique.*.