Perhaps you should try some spelling variations:
data communication » data communications
et developpement » de developpement, le developpement, test development
developpement en » developpement et, developpement des, developpement de
variation among » starvation among, formation among, variation von
typologies die » typologies _, typologie des, typologie der
die variation » de variation, does variation, der variation
among hiv » among heis, among di, among hr
a et » a set, a net, a bet

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

• Adding a wildcard symbol may retrieve word variants: typologies die variation among hiv data communication a et developpement en afrique.*.