Perhaps you should try some spelling variations:
developpement de » developpement des, developpement durable
competition und » competition united, competition _, competition law
a developpement » au developpement, de developpement, le developpement
technology 2 » technology _, technology 1, technology 3
innovation 1 » innovation _, innovation a
de afrique » de l'afrique, en afrique, l afrique
und a » und _, und 2, und 3
farm » form

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: "technology 2 innovation 1 ((firm land) OR (farm land)) competition und a developpement de afrique.~".
• Adding a wildcard symbol may retrieve word variants: technology 2 innovation 1 ((firm land) OR (farm land)) competition und a developpement de afrique.*.