Perhaps you should try some spelling variations:
na communication » la communication, a communication, sa communication
4.1.3 developing » 4.2.3 developing, 4.3.3 developing, 4.1 developing
contents based » content based, context based, contents fase
developing eq » developing e, developing egg, developing _
costs 4.1.3 » cost 4.1.3, costs 1.1.3, costs 2.1.3
eq africa » em africa, eu africa, 1 africa
based na » based new, based non, based pay

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information contents based na communication costs 4.1.3 developing eq africa.*.