Perhaps you should try some spelling variations:
actors communication » actions communication, active communication, networks communication
road transportation » urban transportation, rail transportation, gas transportation
transportation 1 » transportation _, transportation a, transportation 5
technology road » technology role, technology roadmap, technology robot
under actors » new actors, other actors, inter actor
4 developing » 3 developing
developing 2 » developing _, developing a, developing e
1 under » 10 under, 13 under, 4 under
costs 4 » costs _, costs a, costs 4.2
2 areas » 1 areas, 2 areal, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technology road transportation 1 under actors communication costs 4 developing 2 areas.*.