Perhaps you should try some spelling variations:
communication skills » communication services, communication systems
information gaps » information gap
main development » chain development, basin development, brain development
development en » developpement en, development menu, development eco
skills main » skills can, skills make, skills domains
gaps does » gaps notes, gaps do, guns does

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies _ information gaps does risk communication skills main development en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information gaps does risk communication skills main development en afrique.*.