Perhaps you should try some spelling variations:
communication methods » communication media, communication model
information need » information needs, information needed, information speed
site development » sme development, mine development, estate development
methods site » methods simple, methods scope, methods s7
de mobile » die mobile, e mobile, does mobile
a afrique » l afrique, en afrique
need de » need le, need fide, need one

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies _ information need de mobile communication methods site development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information need de mobile communication methods site development a afrique.*.