Perhaps you should try some spelling variations:
technologies private » technologies create, technology private, technologies improve
communication skills » communication services, communication systems
oral communication » mobile communication, _ communication, risk communication
information need » information needs, information based, information age
de development » e development, de developpement, code development
development co » development _, development a, development case
skills de » skills _, skills a, skills index

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies private information need de oral communication skills de development co afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies private information need de oral communication skills de development co afrique.*.