Perhaps you should try some spelling variations:
del communication » cell communication, real communication, cell communications
relationship 5.5 » relationship 5.1, relationship 5.4, relationships 5.2
car development » care development, char development, scar development
1 relationship » 1 relationships, 14 relationship, a relationship
technology 1 » technology _
5.5 crisis » 2.5 crisis, 15.2 crisis, 2.1 crisis
crisis del » crisis desde
costs car » costs clear, costs case, costs cash
a aortic » _ aortic, _ artic

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

• Adding a wildcard symbol may retrieve word variants: technology 1 relationship 5.5 crisis del communication costs car development a aortic.*.