Perhaps you should try some spelling variations:
14 communication » 1.4 communication, 14 communications, 4 communication
developpement du » developpement de, developpement des, developpement et
technologies 4 » technologies _
formation iles » formation les, formation des, formation its
4 formation » 1 formation, a formation, 4 formulation
du afrique » en afrique, l afrique, de l'afrique
iles how » ples how, rules how, lines how
how 14 » how 12, how 15, how 24
av et » av en, a et, ag et

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 4 formation iles how 14 communication ((av et) OR (av ett)) developpement du afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 4 formation iles how 14 communication ((av et) OR (av ett)) developpement du afrique.*.