Perhaps you should try some spelling variations:
information sources » information resources, information services, information security
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
developpement la » developpement de, developpement et, developpement du
4 developpement » de developpement, le developpement, et developpement
3 information » 1 information
technology 3 » technology _, technology 1, technology 4
sources role » resources role, sources de, sources al
la afrique » l afrique, la fabrique, en afrique
role 2.7 » role 2.4, role 10.7, role 1.1
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology 3 information sources role 2.7 communication costs 4 developpement la afrique.*.