Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
change information » trade information, chief information
oral communication » mobile communication, _ communication, risk communication
technology change » technological change, technological changes
a development » _ development, clean development, asian development
development a » development _, development bank, development banks
flows de » flows do, flows debt, flows _
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: technology change information flows de oral communication costs a development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technology change information flows de oral communication costs a development a afrique.*.