Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
communication cote » communication costs, communication costa, communication case
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
integration have » integration how, integracion hacia, integration unter
developpement de » developpement des, developpement durable
4.2 integration » 2.2 integration, 3.2 integration, 5.2 integration
technology 4.2 » technology 2.2, technology 3.2, technology 4.1
have trade » slave trade, have made
de afrique » de l'afrique, en afrique, l afrique
trade 6.2 » trade 2.2, trade 3.2, trade 4.2
cote leur » cote les

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

• Adding a wildcard symbol may retrieve word variants: technology 4.2 integration have trade 6.2 communication cote leur developpement de afrique.*.