Perhaps you should try some spelling variations:
communication between » communication networks
chad communication » chad communications, ihrd communication, change communication
technologies can » technologies a, technologies co, technologies _
l1 developpement » le developpement, de developpement, et developpement
can formulation » chain formulation, case formulation, plan formulation
developpement l » developpement il, developpement la, developpement de
formulation de » formulation des, formulacion de, formulation du
between l1 » between 1, between l2, between lt
does chad » does child, does cat
l afrique » en afrique
de does » der does, do does, one does

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

• Adding a wildcard symbol may retrieve word variants: technologies can formulation de does chad communication between l1 developpement l afrique.*.