Perhaps you should try some spelling variations:
disaster communications » disaster communication, data communications, digital communications
communications costs » communication costs, communications _
technologies 4 » technologies _
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
asia disaster » animal disaster, jastip disaster, based disaster
4 transition » 2 transition, de transition, en transition
transition a » transition _
costs 2.3 » costs 4.2, costs 4.4
a asia » 3 asia, e asia, dan asia

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 transition a asia disaster communications costs 2.3 developing _ areas.*.