Perhaps you should try some spelling variations:
2.14 communication » 2.4 communication, 5.4 communication, 2.3 communication
technology used » technology use, technology based, technology users
developpement l » developpement il, developpement la, developpement de
used inflation » und inflation, cases inflation, musil inflation
inflation tax » inflation rate, inflation _, inflation target
space 2.14 » space 2.1, space 1.1.4, space 2.1.2
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology used inflation tax space 2.14 communication costs _ developpement l afrique.*.