Perhaps you should try some spelling variations:
communicatione costs » communication costs, communications costs, communication costa
et communicatione » et communication, get communication, debt communication
relation 3.3 » relations 3.3, relation 4.3, relation 5.3
developing a » developing _
3.3 cross » 2.4 cross
a asiatic » afro asiatic, east asiatic
cross et » cross sea, cross _, cross 1

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

• Adding a wildcard symbol may retrieve word variants: technology _ relation 3.3 cross et communicatione costs from developing a asiatic.*.