Perhaps you should try some spelling variations:
communication cross » communication costs
technologies 4 » technologies _
4 information » 2 information, 1 information
information 2 » information 3
development 2 » development 1, development 2.1, development 2.3
land mobile » lind mobile, und mobile, can mobile
2 areas » 1 areas, 2 areal, 4 areas
2 land » 1 land, 4 land, 3.2 land

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information 2 land mobile communication cross _ development 2 areas.*.