Perhaps you should try some spelling variations:
online communication » mobile communication, business communication, mobile communications
development main » development making, development moving, development mode
al development » all development, rail development, dual development
main afrique » en afrique
3 use » _ use, 2 use
4 use » _ use, 2 use
a al » a wal, _ al, a a

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 ((3 use) OR (4 use)) online communication a al development main afrique.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "technologies _ information ((3 use) OR (4 use)) online communication a al development main afrique.".
• Adding a wildcard symbol may retrieve word variants: technologies _ information ((3 use) OR (4 use)) online communication a al development main afrique.*.