Perhaps you should try some spelling variations:
centre communication » control communication, culture communication, secure communication
technologies daf » technologies dans, technologies a, technologies de
developpement en » developpement et, developpement des, developpement de
daf innovation » data innovation, der innovation, d innovation
die centre » die zentren, du centre, le centre
a du » a de, a u, _ du

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: "technologies daf innovation _ die centre communication ((a du) OR (a d)) developpement en afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies daf innovation _ die centre communication ((a du) OR (a d)) developpement en afrique.*.