Perhaps you should try some spelling variations:
zu developpement » du developpement, au developpement, ou developpement
innovation case » innovation based, innovation chapter, innovation center
developpement l » developpement il, developpement la, developpement de
technologies 2 » technologies _, technologies 4
l afrique » en afrique
3.1 et » 3.1 el, 3.1 en, 3.1 ex
3.1 eu » 2.1 eu, 3.1 el, 3.2.1 eu

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies 2 innovation case ((3.1 et) OR (3.1 eu)) communication _ zu developpement l afrique.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "technologies 2 innovation case ((3.1 et) OR (3.1 eu)) communication _ zu developpement l afrique.*".