Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
oral communication » mobile communication, _ communication, risk communication
development bank's » development banks, development banking, development band
information needs » information flows, information networks
a development » _ development, clean development, asian development
needs de » needs _, needs a
costs a » costs _

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies _ information needs de oral communication costs a development bank's africa.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information needs de oral communication costs a development bank's africa.*.