Perhaps you should try some spelling variations:
communication skills » communication services, communication systems
trade information » price information, private information, trade integration
technology trade » technology trends, technology transfer, technology transfers
development en » developpement en, development menu, development eco
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: technology trade information _ a mobile communication skills a development en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technology trade information _ a mobile communication skills a development en afrique.*.