Perhaps you should try some spelling variations:
integration japan » integration ja, integration jaime, integration james
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
le developpement » de developpement, sme development
developpement de » developpement des, developpement durable
dis integration » disintegration _
technology dis » technology does, technology 4ir, technology dlt
de afrique » de l'afrique, en afrique, l afrique
trade 4.1 » trade 2.2, trade 3.2
costs le » 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 dis integration japan trade 4.1 communication costs le developpement de afrique.*.