Perhaps you should try some spelling variations:
11.4 communication » 1.4 communication, 11.6 communication, 11.4.1 communication
technology change » technological change, technological changes
change simulation » change simulations, channel simulation, change population
de developpement » sme development
developpement la » developpement de, developpement et, developpement du
la afrique » l afrique, la fabrique, en afrique
care 11.4 » care 11.1, care 1.2, care 10.1
costs de » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology change simulation _ care 11.4 communication costs de developpement la afrique.*.