Perhaps you should try some spelling variations:
information case » information based, information can, information costs
a communication » la communication, data communication, data communications
technologies 2 » technologies _, technologies 4
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
case new » use new
e areal » _ areal, 4 areal
2 areal » 2 real, _ areal, 2 areas
new a » new _, now a, new 4

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologies 2 information case new a communication costs 4.1 developing ((e areal) OR (2 areal)).~".
• Adding a wildcard symbol may retrieve word variants: technologies 2 information case new a communication costs 4.1 developing ((e areal) OR (2 areal)).*.