Perhaps you should try some spelling variations:
entity relationships » entity relationship, city relationships, intimate relationships
technology entity » technology ecit, technology elite, technology energy
de communication » mobile communication, online communication
relationships 2 » relationships _, relationships a, relationships 3
crisis de » crisis del, crisis due, crisis debt
2 crisis » 1 crisis, 3 crisis, 4 crisis
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 entity relationships 2 crisis de communication costs 2 development _ artic.*.