Perhaps you should try some spelling variations:
10 communication » 1 communication, de communication, 3 communication
development east » development southeast, development 1
technologies a » technologies _, technologies 4, technologies 2
a formulation » la formulation, _ formulation, 3 formulation
3 development » 2 development
east africa » west africa
over do » over de, over die
ever do » ever done

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 a formulation ((over do) OR (ever do)) 10 communication a 3 development east africa.~".
• Adding a wildcard symbol may retrieve word variants: technologies a formulation ((over do) OR (ever do)) 10 communication a 3 development east africa.*.