Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information social » information society, transformation social, information section
4.2 communications » 4.2 communication, 3.2 communication, 6.2 communication
4 developpement » de developpement, le developpement, et developpement
vi information » i information, ii information, novi information
technology vi » technology vt, technology 4ir, technology 1
social rules » social roles, special rules, social role
des afrique » en afrique, de l'afrique
rules 4.2 » rules 3.2, rules 4.3
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 vi information social rules 4.2 communications costs 4 developpement des afrique.*.