Perhaps you should try some spelling variations:
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
integration ja » integration 3, integration 4, integration 2
de afrique » de l'afrique, en afrique, l afrique
trade 4.1 » trade 2.2, trade 3.2
ja trade » a trade, jade trade, tea trade
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 ja trade 4.1 communication costs le developpement de afrique.*.