Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
put communication » post communication, et communication, get communication
technology et » technology e, technology ecit, technology eimt
relations 1.3 » relations 10.3, relations 14.3, relations 6.3
et relations » des relations, 3 relations, ethnic relations
cost recent » most recent, modest recent, about recent
1.3 crisis » 13.3 crisis, 1.1 crisis, 13 crisis
crisis put » crisis pt, crisis part, crisis past

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

• Adding a wildcard symbol may retrieve word variants: technology et relations 1.3 crisis put communication cost recent developments _ artic.*.