Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
aided communications » wired communications, speed communications, guinea communications
technologies new » technologies _, technologies 4, technologies 2
new information » 2 information
information und » informations und
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
developing 2 » developing _, developing a, developing e
costs 2.4 » costs 12.4, costs 23.4, cost 2.4
a aided » _ aided, uav aided, a guided
2 areas » 1 areas, 2 areal, 4 areas
und a » und _, und 2, und 3

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

• Adding a wildcard symbol may retrieve word variants: technologies new information und a aided communications costs 2.4 developing 2 areas.*.