Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
evaluation source » evaluation some, evaluation survey, evaluating resource
rapid development » land development, road development, capital development
development main » development making, development moving, development mode
4 communication » 3 communication, 5.4 communication, de communication
technologies a » technologies _, technologies 4, technologies 2
a evaluation » 3 evaluation, 1 evaluation, 2 evaluation
main afrique » en afrique
cost rapid » cost ratio
source de » source des, source du, source code
de 4 » des 4, der 4, de 40

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

• Adding a wildcard symbol may retrieve word variants: technologies a evaluation source de 4 communication cost rapid development main afrique.*.