Perhaps you should try some spelling variations:
oral communication » personal communication
technologies key » technologies any, technologies know, technologies _
zone development » mine development, code development, line development
key information » energy information
a afrique » l afrique, en afrique
de oral » de otras, new oral
gap de » gap die, cap de, gap d
a zone » la zone, _ zone, arc zone

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies key information gap de oral communication a zone development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies key information gap de oral communication a zone development a afrique.*.