Perhaps you should try some spelling variations:
au developpement » du developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
variation among » starvation among, formation among, variation von
des variation » does variation, de variation, der variation
low data » flow data, how data, raw data
typologie » typologies, typology

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

• Adding a wildcard symbol may retrieve word variants: typologie des variation among low data communications _ au developpement en afrique.*.