Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
time communications » time communication, type communications, wartime communications
integration some » integration south, integration soziale, integration social
de developpement » sme development
developpement de » developpement des, developpement durable
4.1 integration » 3.3 integration, 4 integration, 3 integration
technology 4.1 » technology 3.1, technology 2.1, technology 1
some trade » income trade
trade time » trade tie, trade crime, trade ties
de afrique » de l'afrique, en afrique, l afrique
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 4.1 integration some trade time communications costs de developpement de afrique.*.