Perhaps you should try some spelling variations:
6.13 communication » 6.1.3 communication, 2.3 communication, 4.1 communication
tools information » models information, pooled information, does information
technology tools » technology thesis
de developpement » sme development
developpement et » developpement des, developpement de, development east
information dar » information der, information data, information due
et afrique » en afrique, l afrique
case 6.13 » case 6.3, case 6.1, case 6.12
dar case » der case, our case, per case
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 tools information dar case 6.13 communication costs de developpement et afrique.*.