Perhaps you should try some spelling variations:
development results » development report, development research
communication costs » communication systems, communication efforts, communication skills
clean development » human development, urban development, child development
technologies can » technologies a, technologies _, technology can
can information » care information, change information, fund information
information age » information gaps, information laws, information _

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

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