Perhaps you should try some spelling variations:
deux developpements » des developpements, de developpement, du developpement
developpements de » developpement de, developpement des, developpement du
technologies 2 » technologies _, technologies 4
3 competition » bank competition, fair competition, free competition
competition a » competition _, competition law, competition laws
de afrique » de l'afrique, en afrique, l afrique
3 persu » 3 person
3 peru » _ peru, 1 peru, 2 peru

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 2 information ((3 peru) OR (3 persu)) 3 competition a deux developpements de afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 2 information ((3 peru) OR (3 persu)) 3 competition a deux developpements de afrique.*.