Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
des communication » les communications, nets communication, c's communication
information case » information based, information can, information costs
technologies 2 » technologies _, technologies 4
3.4 developing » 13.4 developing, 3.3 developing, 3.2 developing
developing a » developing _
case des » cases des, case das, phase des
cost 3.4 » cost 2.4, cost 3.2, cost 3.5
des des » des deas, des dem, des der
a areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information case des des communication cost 3.4 developing a areas.*.