Perhaps you should try some spelling variations:
14 communication » 1.4 communication, 14 communications, 4 communication
developpement il » developpement de, developpement et, developpement du
formationen als » informationen als, formationen des, informationen aus
il afrique » l afrique, en afrique
als do » als doxa, goals do
do 14 » do 1.4, do 10, db 14

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies _ formationen als do 14 communication ((a l) OR (a la)) developpement il afrique.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "technologies _ formationen als do 14 communication ((a l) OR (a la)) developpement il afrique.*".