Perhaps you should try some spelling variations:
data communication » data communications
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
des cooperation » de cooperation, des kooperations, d cooperation
communication 2 » communication _, communication a, communication 3
apologie des » l'apologie des, typologie des, apologien der
among trial » among typical, among formal, among social
trial data » real data
2 de » 2 die, 2 der, _ de

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

• Adding a wildcard symbol may retrieve word variants: apologie des cooperation among trial data communication 2 de developpement en afrique.*.