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
technologies 2 » technologies _, technologies 4
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
developing 4 » developing _, developing a, developing e
case des » cases des, case das, phase des
cost 2.2 » costs 2.2, cost 2.4, cost 3.2
4 areas » 1 areas, 2 areas, 4 areal
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: technologies 2 information case des de communication cost 2.2 developing 4 areas.*.