Perhaps you should try some spelling variations:
aged communication » based communication, ageist communication, aided communications
communication des » communication modes, communication design, communication data
technology des » technology does, technology debts, technology nodes
des relations » les relations, its relations, et relations
relations 2.1 » relations 3.1, relations 1, relations _
crisis aged » crisis agenda, crisis changed, crisis after
2.1 crisis » 3.1 crisis, 2010 crisis, 2011 crisis
des social » does social, games social

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

• Adding a wildcard symbol may retrieve word variants: technology des relations 2.1 crisis aged communication des social development _ artic.*.