Perhaps you should try some spelling variations:
development east » development southeast, development 1
technologies co » technologies _, technologies 4, technologies 2
4 communication » 3 communication, 5.4 communication, de communication
co information » do information, 2 information, 1 information
information a » information age, information about
east africa » west africa
5.5 le » 5.5 l2, 5.2.5 le
1.5 le » 1.5 les, 7.1.5 le
a web » _ web
web 4 » web _, web 1, web a

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologies co information a web 4 communication ((5.5 le) OR (1.5 le)) development east africa.~".
• Adding a wildcard symbol may retrieve word variants: technologies co information a web 4 communication ((5.5 le) OR (1.5 le)) development east africa.*.