Perhaps you should try some spelling variations:
2.1 communication » 2.14 communication, 2.3 communication, 2.7 communication
information when » information what, information war, information wants
de developpement » sme development
developpement de » developpement des, developpement durable
era information » a information, via information, 4a information
technology era » technology eva, technology e, technology e.g
when space » open space, when face
de afrique » de l'afrique, en afrique, l afrique
costs de » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology era information when space 2.1 communication costs de developpement de afrique.*.