Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
del developpement » de developpement, des developpements, le developpement
developpement en » developpement et, developpement des, developpement de
inflation rates » inflation rate
rates spaces » places spaces, papers spaces, spaces spaces
spaces 3.1 » spaces 1.1, spaces 2.1, space 3.1
costs del » costa del, costo del

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

• Adding a wildcard symbol may retrieve word variants: technology _ inflation rates spaces 3.1 communications costs del developpement en afrique.*.