Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
formulation added » formulation des, formulation de, formulation model
technologies box » technologies co, technologies bit, technologies _
et communication » et communicatione, get communication, debt communication
au developpement » du developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
box formulation » from formulation, _ formulation, 3 formulation
added using » needed using
using et » using e, using ed, using es
costa au » costa e, cost a, costa 3

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

• Adding a wildcard symbol may retrieve word variants: technologies box formulation added using et communication costa au developpement en afrique.*.