Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
developpement du » developpement de, developpement des, developpement et
information mix » informative mix, information matrix, information media
4 developpement » de developpement, le developpement, et developpement
do information » 2 information, 1 information, 3 information
technology do » technology does, technology dlt, technology 1
mix practice » six practices, sex practices, 1 practice
du afrique » en afrique, l afrique, de l'afrique
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology do information mix practice _ communications costs 4 developpement du afrique.*.