Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
apologien der » typologien der, apologie des, ideologien der
der variation » de variation, does variation, die variation
variation aid » variation im, variation und, variation a
des afrique » en afrique, de l'afrique
aid dx » aid do
dx de » d de, ix de, x de

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

• Performing a fuzzy search may retrieve terms with similar spellings: apologien der variation aid dx de communication ((a l) OR (a la)) developpement des afrique.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "apologien der variation aid dx de communication ((a l) OR (a la)) developpement des afrique.*".