Perhaps you should try some spelling variations:
rica communications » africa communications, risk communications, rural communications
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
information a » information age, information about
des afrique » en afrique, de l'afrique
3 rica » 3 rice, 3 lirica
pt a » pt 2, pt 1, pt 4
pt 3 » pt 2, pt 1

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 a information a 3 rica communications ((pt a) OR (pt 3)) developpement des afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies a information a 3 rica communications ((pt a) OR (pt 3)) developpement des afrique.*.