Perhaps you should try some spelling variations:
cooperation barriers » cooperation bamers, cooperation partners, cooperation drivers
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
technology 1 » technology _
areas sector » areas section, markets sector, across sector
1 formation » 1.2 formation, de formation, en formation
formation 5 » formation _, formation 1, information 5
barriers 4 » barriers _, barriers a, barrier _
l afrique » en afrique
5 areas » 1 areas, 2 areas, 4 areas

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology 1 formation 5 areas sector cooperation barriers 4 developpement l afrique.*.