Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
olig communications » kong communications, bolivia communications, public communications
change information » chandos information, trade information
technology change » technological change, technological changes
developpement de » developpement des, developpement durable
4 developpement » de developpement, le developpement, et developpement
information 2 » information 3
der olig » der old
costs 4 » costs _, costs a, costs 4.2
2 der » _ 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 2 der olig communications costs 4 developpement de l'afrique.*.