Perhaps you should try some spelling variations:
technology change » technological change, technological changes
5.3 communication » 2.3 communication, 4.3 communication, 1.3 communication
amy developpement » au developpement, de developpement, le developpement
change inflation » change information, change innovation, change simulation
developpement du » developpement de, developpement des, developpement et
inflation rates » inflation rate
du afrique » en afrique, l afrique, de l'afrique
costs amy » costs a
have 5.3 » leave 5.3, have 9.1

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

• Adding a wildcard symbol may retrieve word variants: technology change inflation rates have 5.3 communication costs amy developpement du afrique.*.