Perhaps you should try some spelling variations:
change information » trade information, chief information
oral communication » mobile communication, _ communication, risk communication
technology change » technological change, technological changes
asian development » human development, urban development, clean development
information need » information needs, information based, information age
development case » development bank, development a, development aid

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 need de oral communication _ asian development case afrique.~.
• Adding a wildcard symbol may retrieve word variants: technology change information need de oral communication _ asian development case afrique.*.