Perhaps you should try some spelling variations:
communication 3 » communication _, communication a
eco development » co development, pro development, wto development
technologies 2 » technologies _, technologies 4
innovation new » innovation 1, innovation 4, innovation 3
development en » developpement en, development menu, development eco
3 eco » 13 eco, _ eco, 4 eco

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 innovation new ((dei do) OR (deti do)) communication 3 eco development en afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 2 innovation new ((dei do) OR (deti do)) communication 3 eco development en afrique.*.