Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
la communication » data communication, data communications
developing urban » development urban, developing human, developing areas
technologies 1 » technologies _, technologies 4, technologies 2
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
contents 2.2 » content 2.2, contents 2.1, contents 2.3
urban africa » urban area
costa 2.4 » cost 2.4, costs 2.4, costs 12.4

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

• Adding a wildcard symbol may retrieve word variants: technologies 1 information contents 2.2 la communication costa 2.4 developing urban africa.*.