Perhaps you should try some spelling variations:
functionals interactions » functional interactions, functional interaction, function interaction
technique functionals » technique rationale
true communication » truth communication, time communication, stroke communication
interactions cost » interactions case, interactions best, interactions across
developpement en » developpement et, developpement des, developpement de
a developpement » au developpement, de developpement, le developpement
cost data » test data
data true » data type
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technique functionals interactions cost data true communication costs a developpement en afrique.*.