Perhaps you should try some spelling variations:
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
tradition change » transition change, transition changes, tradition chapter
developpement la » developpement de, developpement et, developpement du
change programs » change program, exchange programs, care programs
technology la » technology law, technology lag, technology land
la tradition » law tradition, a tradition, la transition
programs 4.2 » programs 2.2, programs _, programs a
la afrique » l afrique, la fabrique, en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology la tradition change programs 4.2 communication costs _ developpement la afrique.*.