Perhaps you should try some spelling variations:
2.5 communication » 2.3 communication, 2.7 communication, 3.5 communication
de developpement » sme development
developpement de » developpement des, developpement durable
information 3.4 » information 3.2, information 2, information 1
3.4 practice » 3.1 practice, 3.3 practice, 3.4 practical
practice 2.5 » practice 5, practice 4.1, practice 5.1
de afrique » de l'afrique, en afrique, l afrique
costs de » 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 _ information 3.4 practice 2.5 communication costs de developpement de afrique.*.