Perhaps you should try some spelling variations:
technologies sector » technology sector, technologies series
communication model » communication media
sector information » sector integration, customer information, disaster information
data communication » data communications
information der » information oder, information does, informatik der
development en » developpement en, development menu, development eco
does data » does cat

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies sector information der does data communication model _ development en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies sector information der does data communication model _ development en afrique.*.