Perhaps you should try some spelling variations:
development cases » development case, development phases, development based
information need » information needs, information needed, information speed
era information » a information, via information, 4a information
technology era » technology eva, technology e, technology e.g
cases africa » crises africa, passes africa, rates africa
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: technology era information need de mass communication efforts _ development cases africa.~.
• Adding a wildcard symbol may retrieve word variants: technology era information need de mass communication efforts _ development cases africa.*.