Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
information centers » information contents, information officers
technologies uses » technologies used, technologies based, technological uses
uses information » users information, user information, use information
de communication » mobile communication, online communication
developing east » development east, developing a, developing asia
2 developing » 3 developing, 4 developing, 2 development
centers 3.3 » centers 3.8, centers 4.3, century 3.3
east africa » west africa
costa 2 » costa e, cesta 2, costa 3
3.3 de » 3.3 die, 3.3 der, 3.3 dem

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

• Adding a wildcard symbol may retrieve word variants: technologies uses information centers 3.3 de communication costa 2 developing east africa.*.