Perhaps you should try some spelling variations:
improve information » improved information, improving information, price information
communication costs » communication systems, communication efforts, communication skills
information need » information needs, information based, information age
development case » development bank, development a, development aid
a development » _ development, clean development, asian development
costs a » costs _
technologies » technology

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

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