Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
peru communications » paper communications, cell communications, eu communication
formal context » formal contexts, formal concept, formats content
3.3 developing » 4 developing, 2 developing, 1 developing
developing a » developing _
from formal » from informal
context how » content how, context has, context he
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
how peru » now peru, how part, how pr
a africa » 1 africa, can africa, em africa

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

• Adding a wildcard symbol may retrieve word variants: technology from formal context how peru communications costs 3.3 developing a africa.*.