Perhaps you should try some spelling variations:
information costs » information contents, information centers, information content
communication 1.1 » communication 4.1, communication 7.1, communication 1.3
de communication » mobile communication, online communication
development law » development latin, development 1
law afrique » l afrique
costs 4 » costs _, costs a, costs 4.2
1.1 2 » 1.1 _, 1.1 a, 1.1 b
4 de » 4 die, 4 der, 4 des

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information costs 4 de communication 1.1 2 development law afrique.*.