Perhaps you should try some spelling variations:
communication skills » communication services, communication systems
technologies annex » technologies any, technology annex, technologies affect
annex information » index information, channels information, syntax information
development case » development china
a mobile » _ mobile
skills a » skills _, skills gap

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 _ a mobile communication skills a development case afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies annex information _ a mobile communication skills a development case afrique.*.