Perhaps you should try some spelling variations:
4.2 developpement » 4.2 development, de developpement, le developpement
developpement de » developpement des, developpement durable
dis integration » disintegration _
4 communication » 3 communication, 5.4 communication, de communication
technology dis » technology does, technology 4ir, technology dlt
integration 1 » integration 3, integration 4, integration 2
de afrique » de l'afrique, en afrique, l afrique
1 trade » 4 trade
trade 4 » trade _, trade 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 1 trade 4 communication costs 4.2 developpement de afrique.*.