Perhaps you should try some spelling variations:
information context » information content, information contents, information centers
communication cost » communication costs, communication costa, communications costs
de communication » mobile communication, online communication
technologies de » technologies _, technologies 4, technologies 2
de information » die information, de informacion, e information
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
context how » content how, context has, context he
how de » how doe, how do, how ae

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

• Adding a wildcard symbol may retrieve word variants: technologies de information context how de communication cost 2.4 developing _ africa.*.