Perhaps you should try some spelling variations:
technology contact » technology contracts, technology content, technology contents
3.5 communication » 3.2 communication, 3 communication, 2.3 communication
developpement de » developpement des, developpement durable
information war » information what, information wants, information when
4 developpement » de developpement, le developpement, et developpement
de afrique » de l'afrique, en afrique, l afrique
costs 4 » costs _, costs a, costs 4.2
war a » war _, war i
a 3.5 » a 3.2, a 3.3, a 3.1

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

• Adding a wildcard symbol may retrieve word variants: technology contact information war a 3.5 communication costs 4 developpement de afrique.*.