Perhaps you should try some spelling variations:
thesis integration » thema integration, theory integration, things integration
vs communications » vos communications, les communications, nps communications
developpement de » developpement des, developpement durable
integration 4 » integration 3
de afrique » de l'afrique, en afrique, l afrique
3 der » _ der
2 der » _ der
1 vs » 1 hs, _ vs, 1 5s

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technology thesis integration 4 1 vs communications ((3 der) OR (2 der)) developpement de afrique.~".
• Adding a wildcard symbol may retrieve word variants: technology thesis integration 4 1 vs communications ((3 der) OR (2 der)) developpement de afrique.*.