Perhaps you should try some spelling variations:
perfect competition » imperfect competition, market competition
der developpement » de developpement, des developpements, leur developpement
technology needs » technology new
needs innovation » needs innovations, meets innovation, does innovation
developpement en » developpement et, developpement des, developpement de
innovation when » innovation where, innovation what, innovation why
competition 1.3 » competition 4.3, competition 1.2, competition 2.3
one perfect » more perfect, make perfect, your perfect
en africa » em africa, eu africa, en america
when one » when money, when he, when our
1.3 der » 2.3 der, 4.3 der, 3.3 der

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

• Adding a wildcard symbol may retrieve word variants: technology needs innovation when one perfect competition 1.3 der developpement en africa.*.