Perhaps you should try some spelling variations:
technologies annex » technologies any, technology annex, technologies affect
oral communication » personal communication
annex information » index information, channels information, syntax information
information gaps » information gap
per development » power development, spur development, oer developments
costs per » cost per
gaps de » gaps do, camps de, gaps new
de oral » de otras, new oral

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

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