Perhaps you should try some spelling variations:
development paths » development path, development plans, development pt
de communication » mobile communication, online communication
ch development » tech development, 2 development, 3 development
change ratio » change rational, change action, change static
6.6 crisis » 2.1 crisis, 3.1 crisis, 1.1 crisis
ratio 6.6 » ratio 3.3
crisis de » crisis del, crisis due, crisis debt
costs ch » costs cash, costs chap, costs _
paths 5 » paths _, paths a
technological » technologies

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

• Adding a wildcard symbol may retrieve word variants: technological change ratio 6.6 crisis de communication costs ch development paths 5.*.