Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
information maps » information gaps, information means, information gap
development case » development bank, development a, development aid
a development » _ development, clean development, asian development
a mobile » _ mobile
costs a » costs _
maps a » maps _

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 maps a mobile communication costs a development case afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information maps a mobile communication costs a development case afrique.*.