Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
edd developpement » de developpement, et developpement, du developpement
developpement de » developpement des, developpement durable
2.2 information » 4.2 information, 2.2.3 information, 2.2 transformation
technology 2.2 » technology _, technology 1, technology 3
information 2 » information 3
de afrique » de l'afrique, en afrique, l afrique
cost edd » cost 3d, cost e3
2 abca1 » _ abca1, i abca1, a1 abca1
mediated » unmediated

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

• Adding a wildcard symbol may retrieve word variants: technology 2.2 information 2 abca1 mediated communication cost edd developpement de afrique.*.