Perhaps you should try some spelling variations:
communication modes » communication costs, communication media, communication methods
information gap » information _, information flow
use development » sme development, e development, museum development
technologies a » technologies _
development co » development _, development a, development case
a information » _ information, land information, award information
gap does » far does

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies a information gap does mobile communication modes use development co afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information gap does mobile communication modes use development co afrique.*.