Perhaps you should try some spelling variations:
technology budget » technology budgets, technology bridge, technology based
formulation open » formulation over, formulation model, formulation des
development east » development southeast, development 1
4 communication » 3 communication, 5.4 communication, de communication
4 development » 2 development, 4 developing
east afrique » east africa, east african, en afrique
trade 4 » trade _, trade a
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology budget formulation open trade 4 communication costs 4 development east afrique.*.