Perhaps you should try some spelling variations:
cooperation barriers » cooperation bamers, cooperation partners, cooperation drivers
developpement en » developpement et, developpement des, developpement de
4 developpement » de developpement, le developpement, et developpement
technology set » technology sector, technology 1, technology 2.2
set formation » se formation, asset formation, self formation
areas sector » areas section, markets sector, across sector
formation 5 » formation _, formation 1, information 5
barriers 4 » barriers _, barriers a, barrier _
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 set formation 5 areas sector cooperation barriers 4 developpement en afrique.*.