Perhaps you should try some spelling variations:
development partners » development process, development projects, development plans
technology change » technological change, technological changes
de communication » mobile communication, online communication
change ratio » change rational, change action, change static
6.6 crisis » 2.1 crisis, 3.1 crisis, 1.1 crisis
partners 1 » partners 13, partners _, partners 4
ratio 6.6 » ratio 3.3
crisis de » crisis del, crisis due, crisis debt
costs 2 » costs 20, costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology change ratio 6.6 crisis de communication costs 2 development partners 1.*.