Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
process integration » process innovation, process information
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
economic process » economic processes, economic progress, economic problems
et developpement » de developpement, le developpement, test development
developpement du » developpement de, developpement des, developpement et
integration e » integration 3, integration 4, integration 2
du afrique » en afrique, l afrique, de l'afrique
trade 4.1 » trade 2.2, trade 3.2
costa et » acosta et, costa e, costa del
e trade » 1 trade, 4 trade, 2 trade

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

• Adding a wildcard symbol may retrieve word variants: economic process integration e trade 4.1 communication costa et developpement du afrique.*.