Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
technology trade » technology trends, technology transfer, technology transfers
le developpement » de developpement, sme development
developpement de » developpement des, developpement durable
integration war » integration work, integration wage, integration what
de afrique » de l'afrique, en afrique, l afrique
costs le » costs _, costs 4, costs a
war can » far can, war cash
can 6.2 » can 5.2, ocean 6.2

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

• Adding a wildcard symbol may retrieve word variants: technology trade integration war can 6.2 communication costs le developpement de afrique.*.