Perhaps you should try some spelling variations:
level developpement » level development, le developpement, levels development
data communication » data communications
developpement en » developpement et, developpement des, developpement de
care variation » more variation, rate variation, chance variation
typology care » typology chance, typology based, oncology care
systems level » system level
variation 6 » variation _, variations _, variation des
cost data » test data
6 cost » 2 cost, 4 cost, 3 cost

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

• Adding a wildcard symbol may retrieve word variants: typology care variation 6 cost data communication systems level developpement en afrique.*.