Perhaps you should try some spelling variations:
several communication » general communication, federal communications, senegal communications
information cause » information case, information use, information classes
models several » models general, model general, models central
3.3 developing » 4 developing, 2 developing, 1 developing
cause models » case models, causal models, care models
developing a » developing _
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
a access » 2 access, 3 access, 4 access

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information cause models several communication costs 3.3 developing a access.*.