Perhaps you should try some spelling variations:
communications cost » communications costs, communications cross, communication costs
faso communications » face communications, radio communications, gabon communications
change information » chandos information, trade information
leur developpement » le developpement, deux developpements, de developpement
technology change » technological change, technological changes
developpement en » developpement et, developpement des, developpement de
information 3 » information 2
der faso » der fast, der fall, der face
3 der » _ der, 2 der

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

• Adding a wildcard symbol may retrieve word variants: technology change information 3 der faso communications cost leur developpement en afrique.*.