Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.2 communications » 3.2 communication, 3.1 communications, 4.2 communications
del developpement » de developpement, des developpements, le developpement
information fair » information unfair, information fake, information failure
developpement l » developpement il, developpement la, developpement de
pt information » ct information, plot information, get information
technology pt » technology 1, technology 3, technology 4
trade 3.2 » trade 2.2, trade 2, trade 4.1
costs del » costa del, costo del
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology pt information fair trade 3.2 communications costs del developpement l afrique.*.