Perhaps you should try some spelling variations:
communication modes » communication costs, communication media, communication methods
mass communication » risk communication, _ communication, mobile communication
asian development » human development, urban development, clean development
information et » information act, information _, information need
development a » development _, development bank, development banks
de mass » does mass, ice mass

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 et de mass communication modes asian development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information et de mass communication modes asian development a afrique.*.