Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
4 communications » 14 communications, 4 communication, 2 communications
inflation space » information space, innovation space, inflation rate
technology u.s » technology uses, technology 2.2, technology use
u.s inflation » und inflation, 2.3 inflation, 3.2 inflation
des afrique » en afrique, de l'afrique
place 4 » place _, place a, place 3

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

• Adding a wildcard symbol may retrieve word variants: technology u.s inflation space place 4 communications costs _ developpement des afrique.*.