Perhaps you should try some spelling variations:
cell communication » cell communications, oral communication, verbal communication
information part » information pt, information portal, information portals
developpement l » developpement il, developpement la, developpement de
part nine » part one, part time, part five
nine cell » ne cell, node cell
l afrique » en afrique
a do » a dot, _ do, a co

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 _ information part nine cell communication ((a do) OR (a d)) developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies _ information part nine cell communication ((a do) OR (a d)) developpement l afrique.*.