Perhaps you should try some spelling variations:
2.1 communication » 2.14 communication, 2.3 communication, 2.7 communication
technology used » technology use, technology based, technology users
used inflation » und inflation, cases inflation, musil inflation
inflation he » inflation e, inflation ee, inflation der
des afrique » en afrique, de l'afrique
spaces 2.1 » space 2.1, spaces 1.1, spaces 1
he spaces » he space, use spaces, lp spaces

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

• Adding a wildcard symbol may retrieve word variants: technology used inflation he spaces 2.1 communication costs _ developpement des afrique.*.