Perhaps you should try some spelling variations:
communication modes » communication model, communication des, communication media
technologies more » technologies market, technologies co, technologies art
urban development » human development
more information » price information, trade information
information need » information needs, information needed, information speed
modes urban » modern urban, notes urban
need de » need le, need fide, need one
de mass » de masse, de mais, de masa

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: technologies more information need de mass communication modes urban development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies more information need de mass communication modes urban development _ afrique.*.