Perhaps you should try some spelling variations:
mass communication » risk communication, _ communication, mobile communication
per development » power development, spur development, power developments
development co » development _, development a, development case
systems per » systems key, systems saber, systems after
flows de » flows do, flows debt, flows _
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 flows de mass communication systems per development co afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information flows de mass communication systems per development co afrique.*.