Perhaps you should try some spelling variations:
get communication » et communication, debt communication, de communication
developpement de » developpement des, developpement durable
innovation case » innovation based, innovation chapter, innovation center
de afrique » de l'afrique, en afrique, l afrique
case 5.1 » case 4.1, case 3.1, case 5.2
5.1 get » 5.1 gibt
a les » a lens, a less, 2 les
a le » a la, a l, a e

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies _ innovation case 5.1 get communication ((a le) OR (a les)) developpement de afrique.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "technologies _ innovation case 5.1 get communication ((a le) OR (a les)) developpement de afrique.*".