Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
3.2 communication » 3 communication, 2.3 communication, de communication
integration tool » integration theory, integration trade, integration 3
dis integration » disintegration _
e developpement » de developpement, le developpement, et developpement
technology dis » technology does, technology 4ir, technology dlt
des afrique » en afrique, de l'afrique
tool trade » tools trade, tool upgrade
trade 3.2 » trade 2.2, trade 2, trade 4.1

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

• Adding a wildcard symbol may retrieve word variants: technology dis integration tool trade 3.2 communication costa e developpement des afrique.*.