Perhaps you should try some spelling variations:
mobilen communications » mobile communications, mobile communication, mobile commusnication
developpement et » developpement des, developpement de, development east
de variations » de variation, 1er variations, ier variations
ideologie de » ideologie der, ideologie des, ideologie du
der mobilen » bei mobilen, der mobil, der mobilfunk
et afrique » en afrique, l afrique
pt du » et du
pt d » pt 2, pt 1, pt 3

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: "ideologie de variations _ der mobilen communications ((pt du) OR (pt d)) developpement et afrique.~".
• Adding a wildcard symbol may retrieve word variants: ideologie de variations _ der mobilen communications ((pt du) OR (pt d)) developpement et afrique.*.