Perhaps you should try some spelling variations:
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
technology choice » technology change
choice inflation » choice information, price inflation
au developpement » du developpement, de developpement, le developpement
inflation rules » inflation rates, information rules, inflation causes
developpement l » developpement il, developpement la, developpement de
trade 3.1 » trade 3.2, trade 4.1, trade 2.1
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 choice inflation rules trade 3.1 communications _ au developpement l afrique.*.