Perhaps you should try some spelling variations:
arts competition » party competition, act competition, plants competition
3 innovations » _ innovations, 3 innovation, i innovations
innovations a » innovations _, innovations china, innovations japan
technology 3 » technology _, technology 1, technology 4
des africa » does africa, yes africa, de africa
rice arts » rice areas, rice farms, rice anti
a rice » _ rice, a rich, 3 rice

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 3 innovations a rice arts competition ((1.3 ou) OR (1.3 our)) developpement des africa.~".
• Adding a wildcard symbol may retrieve word variants: technology 3 innovations a rice arts competition ((1.3 ou) OR (1.3 our)) developpement des africa.*.