Perhaps you should try some spelling variations:
test development » forest development, port development, mena development
development des » development does, development desd, development ds
formative ears » formative years, formative peer, formative decades
des afrique » en afrique, de l'afrique
how ae » how age, how ai, how case
how am » how ai

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 _ formative ears ((how ae) OR (how am)) communication a test development des afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies _ formative ears ((how ae) OR (how am)) communication a test development des afrique.*.