Perhaps you should try some spelling variations:
role developpement » le developpement, role development, de developpement
2.1 communication » 2.14 communication, 2.3 communication, 2.7 communication
ist information » iot information, first information, cost information
information war » information what, information wants, information when
technology ist » technology iset, technology isst, technology ict
efforts role » efforts old, cifor's role, effort gold
des afrique » en afrique, de l'afrique
war re » war race, war reif
re 2.1 » re 2.3, care 2.1, rice 2.1

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

• Adding a wildcard symbol may retrieve word variants: technology ist information war re 2.1 communication efforts role developpement des afrique.*.