Perhaps you should try some spelling variations:
communication model » communication media, communication costs, communication skills
sector information » sector integration, customer information
technology sector » technology social, technology ict
information model » information age
development en » development menu, development can, development _
a development » _ development, clean development, asian development
model does » model codes
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: technology sector information model does _ communication model a development en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technology sector information model does _ communication model a development en afrique.*.