Perhaps you should try some spelling variations:
les communications » laos communications, nps communications, u.s communications
developpement l » developpement il, developpement la, developpement de
typologies 2 » typologies _, typologies 3, typologies 2.3
2 variation » 2 variations
l afrique » en afrique
dem les » dem leid, dem lost
a der » _ der, 2 der, 3 der
a de » a die, a des, _ de

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: "typologies 2 variation _ dem les communications ((a de) OR (a der)) developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologies 2 variation _ dem les communications ((a de) OR (a der)) developpement l afrique.*.