Perhaps you should try some spelling variations:
communication skills » communication services, communication systems
technologies trade » technology trade, technologies case, technologies table
data communication » data communications
trade information » price information, private information, trade integration
information alone » information along, information long, information about
development case » development china
alone des » alone has
des data » das data, dhs data, dns data

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies trade information alone des data communication skills _ development case afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies trade information alone des data communication skills _ development case afrique.*.