Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
developpement de » developpement des, developpement durable
inflation rates » inflation rate
a developpement » au developpement, de developpement, le developpement
technology has » technology hard, technology have, technology how
has inflation » how inflation, u.s inflation, cases inflation
de afrique » de l'afrique, en afrique, l afrique
space 3.1 » space 2.1, space 3.2, space 3.3
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology has inflation rates space 3.1 communications costs a developpement de afrique.*.