Perhaps you should try some spelling variations:
competition cases » competition case, competition makes, competitive cases
des developpement » des developpements, de developpement, le developpement
fair competition » unfair competition
developpement et » developpement des, developpement de, development east
3 information » 1 information
technology 3 » technology _, technology 1, technology 4
et afrique » en afrique, l afrique
1 all » _ all, 2 all, 5 all
7 all » _ all

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 3 information ((1 all) OR (7 all)) fair competition cases des developpement et afrique.~".
• Adding a wildcard symbol may retrieve word variants: technology 3 information ((1 all) OR (7 all)) fair competition cases des developpement et afrique.*.