Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
technologies bank » technologies any, technologies a, technologies annex
bank information » can information, based information, urban information
information gap » information _, information flow
development a » development _, development bank, development banks
de mobile » does mobile, _ mobile, a mobile

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

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