Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
integration book » integration below, integration bill, integration handbook
de developpement » sme development
developpement de » developpement des, developpement durable
r integration » 3 integration, 2 integration, 4 integration
technology r » technology 1, technology 3, technology 4
de afrique » de l'afrique, en afrique, l afrique
trade 3.1 » trade 3.2, trade 4.1, trade 2.1
costs de » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology r integration book trade 3.1 communications costs de developpement de afrique.*.