Perhaps you should try some spelling variations:
5.2 communication » 3.2 communication, 6.2 communication, 2.2 communication
developpement de » developpement des, developpement durable
technology high » technology rights, technology how, technology help
high violations » right violations, rights violations, rights violation
violations acts » violations faced
4 developpement » de developpement, le developpement, et developpement
de afrique » de l'afrique, en afrique, l afrique
acts case » aids case, aspects case
case 5.2 » case 4.2, case 3.2, case 2
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology high violations acts case 5.2 communication costs 4 developpement de afrique.*.