Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
4.3 communications » 4.3 communication, 2.3 communication, 1.3 communication
au developpement » du developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
technology gaps » technology gap
inflation taxes » inflation rates, inflation tax, inflation targets
gaps inflation » has inflation, grade inflation, rapid inflation
taxes space » tax space
de afrique » de l'afrique, en afrique, l afrique
space 4.3 » space 3.3, space 2.1, space 3.2
costs au » costs a, costs amy, costs _

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

• Adding a wildcard symbol may retrieve word variants: technology gaps inflation taxes space 4.3 communications costs au developpement de afrique.*.