Perhaps you should try some spelling variations:
oral communication » personal communication
information based » information case, information bank, transformation based
based disaster » related disaster
disaster oral » disaster bhopal, disaster gerald, disaster social
3 developing » 3 development
developing a » developing _
costs 3 » costs _, costs 4, costs a
a arab » _ arab, 3 arab, pan arab

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information based disaster oral communication costs 3 developing a arab.*.