Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
technology leading » technology learning, technology feeding, technology locating
leading innovation » learning innovation, linking innovation, embedding innovation
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
a prices » a price, 2 prices, gas prices
phase a » phase 1, phase _, phase 2

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

• Adding a wildcard symbol may retrieve word variants: technology leading innovation a prices _ communication phase a developpement l afrique.*.