Perhaps you should try some spelling variations:
das developpements » des developpements, deux developpements, de developpement
users information » user information, museums information, series information
information rates » information states, information ratio, information rules
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
technology users » technology use, technology series, technology transfers
developpements l » developpements de, developpement il, developpement la
communication 1 » communication _, communication a, communication 3
rates rules » rate rules, gats rules, rates rates
rules 4.2 » rules 3.2, rules 4.3
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology users information rates rules 4.2 communication 1 das developpements l afrique.*.