Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
scale development » estate development, trade development, sme development
relationship 2.2 » relationship 4.2, relationship 7.2, relationship 8.2
eu communication » ec communication, et communication, de communication
2 relationship » 26 relationship, a relationship, 4 relationship
technology 2 » technology _, technology 1, technology 3
2.2 crisis » 2.1 crisis, 2.5 crisis, 22 crisis
cost scale » cost share, cost scanner, modest scale
crisis eu » crisis el, crises eu, crisis en

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

• Adding a wildcard symbol may retrieve word variants: technology 2 relationship 2.2 crisis eu communication cost scale development _ artic.*.