Perhaps you should try some spelling variations:
technologies valuable » technologies volume
communication models » communication modes, communication mode, communication mediums
mass communication » risk communication, _ communication, mobile communication
information et » information act, information _, information need
development en » development menu, development can, development _
a development » _ development, clean development, asian development
ice mass » ice masses, ice caps
models a » models _, model a, model _

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies valuable information et ice mass communication models a development en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies valuable information et ice mass communication models a development en afrique.*.