Perhaps you should try some spelling variations:
technologies sector » technology sector
communication model » communication media, communication costs, communication skills
sector information » sector integration, customer information
information et » information act, information _, information need
development en » development menu, development can, development _
a development » _ development, clean development, asian development
et does » der does
model a » model _, models _

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 et does _ communication model a development en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies sector information et does _ communication model a development en afrique.*.