Perhaps you should try some spelling variations:
communication methods » communication media, communication model
information needs » information networks
s7 development » 7 development, 17 development, 27 development
one mobile » more mobile, kong mobile, open mobile
methods s7 » methods 17, methods 2.7, methods 1
needs one » need one, needs more
a afrique » l afrique, en afrique

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 needs one mobile communication methods s7 development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information needs one mobile communication methods s7 development a afrique.*.