Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
calculations used » calculations based, calculations using, calculations area
der communication » de communication, under communication, debt communication
technologies 3.1 » technologies 2.1, technologies 3.2, technologies _
3.1 calculations » 3.1 calculation, 3.2 calculations, 3.2 calculation
some development » sme development, women development, site development
costa some » cost some, costs some
used ict » use ict, based ict, used rice
ict der » act der

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

• Adding a wildcard symbol may retrieve word variants: technologies 3.1 calculations used ict der communication costa some development 1 africa.*.