Perhaps you should try some spelling variations:
communication efforts » communication networks, communications networks, communication network
technologies energy » technologies new, technologies any
mass communication » risk communication, _ communication, mobile communication
development co » development _, development a, development case
a development » _ development, clean development, asian development
efforts a » efforts _, effort _, exports a
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 energy information _ de mass communication efforts a development co afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies energy information _ de mass communication efforts a development co afrique.*.