Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information case » information based, information can, information costs
de communication » mobile communication, online communication
3.2 development » 1 development, mena development
technologie 2 » technologies 2, technologie c, technologie 3
case des » cases des, case das, phase des
cost 3.2 » cost 2.4
a areas » 1 areas, 2 areas, 4 areas
des de » des dem, des der, des des

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

• Adding a wildcard symbol may retrieve word variants: technologie 2 information case des de communication cost 3.2 development a areas.*.