Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information costs » information contents, information centers, information content
technologies art » technologies part, technologies a, technologies bit
de communication » mobile communication, online communication
art information » party information, smart information, ct information
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
costs des » costs fees
cost 2.2 » costs 2.2, cost 2.4, cost 3.2
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 art information costs des de communication cost 2.2 developing _ areas.*.