Perhaps you should try some spelling variations:
oral communication » personal communication
technologies new » technologies _, technologies 4, technologies 2
new information » 2 information
development can » development case, development co, development canada
e development » sme development, mine development, site development
can africa » urban africa
de oral » de otras, new oral
gap de » gap die, cap de, gap d

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies new information gap de oral communication _ e development can africa.~.
• Adding a wildcard symbol may retrieve word variants: technologies new information gap de oral communication _ e development can africa.*.