Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
technologies chief » technologies new, technologies annex, technologies could
information about » information flows, information flow
per developpement » de developpement, power development, spur development
developpement en » development _, development a, development co
costs per » cost per
about de » about _

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies chief information about de _ communication costs per developpement en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies chief information about de _ communication costs per developpement en afrique.*.