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 la » developpement de, developpement et, developpement du
inflation rates » inflation rate
4 developpement » de developpement, le developpement, et developpement
technology log » technology lag, technology low, technology law
log inflation » low inflation, local inflation, lower inflation
la afrique » l afrique, la fabrique, en afrique
space 3.1 » space 2.1, space 3.2, space 3.3
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology log inflation rates space 3.1 communications costs 4 developpement la afrique.*.