Perhaps you should try some spelling variations:
mais communication » mass communication, mass communications, chairs communication
trade information » price information, private information, trade integration
technology trade » technology trends, technology transfer, technology transfers
developpement l » developpement il, developpement la, developpement de
information pt » information part, information 1, information 1.2
l afrique » en afrique
e mais » e mails, de mais, e mail
pt e » pt 2, pt 1, pt 3

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: "technology trade information pt e mais communication ((a l) OR (a la)) developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: technology trade information pt e mais communication ((a l) OR (a la)) developpement l afrique.*.