Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
rate information » trade information, care information, age information
de developpement » sme development
technology rate » technology state, technology role, technology related
information war » information what, information wants, information when
des afrique » en afrique, de l'afrique
war race » war peace, war ramt, war re
race 4.1 » race 4.10, rice 4.1, race 4.2
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 rate information war race 4.1 communication costs de developpement des afrique.*.