Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
technologies land » technologies any, technologies a, technology land
land information » fund information, award information, road information
la communication » _ communication, mass communication, oral communication
information gap » information _, information flow
development co » development _, development a, development case

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

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