Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
based communications » based communication, speed communications, aided communications
developpement de » developpement des, developpement durable
2.1 information » 3.1 information
4 developpement » de developpement, le developpement, et developpement
technology 2.1 » technology 2.2, technology 3.1, technology 1
information 2 » information 3
areas based » area based, areas case
de farce » der farce, de arce, de force
2 areas » 1 areas, 2 areal, 4 areas
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology 2.1 information 2 areas based communications costs 4 developpement de farce.*.