Perhaps you should try some spelling variations:
technology change » technological change, technological changes
change inflation » change information, change innovation, change simulation
13 communication » 3 communication, 1 communication, 10 communication
au developpement » du developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
inflation rates » inflation rate
rates hans » rates have
de afrique » de l'afrique, en afrique, l afrique
costs au » costs a, costs amy, costs _
hans 13 » hans 1963, humans 13

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 hans 13 communication costs au developpement de afrique.*.