Perhaps you should try some spelling variations:
15 communications » 5 communications, 10 communications, 14 communications
developpement et » developpement des, developpement de, development east
technologies 3 » technologies _, technologies 4, technologies 2
formative ples » formative peer, formative power, normative rules
3 formative » _ formative, _ informative
et afrique » en afrique, l afrique
ples how » iles how, apples how, rules how
how 15 » how 12, how 45
av et » av ett, av en, ag et
a et » a set, a net, a bet

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 3 formative ples how 15 communications ((av et) OR (a et)) developpement et afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 3 formative ples how 15 communications ((av et) OR (a et)) developpement et afrique.*.