Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
information 3.4.2 » information 3.2.2, information 5.4.2, information 2.4.2
math information » catch information, much information, health information
fair competition » unfair competition
competition cash » competition case, compensation cash, competition law
developpement de » developpement des, developpement durable
technology math » technology paths, technology mit, technology make
3.4.2 does » 13.2.2 does, 3.4.2 die, 3.4.2 der
de afrique » de l'afrique, en afrique, l afrique
does fair » does pair, does air, does faith

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

• Adding a wildcard symbol may retrieve word variants: technology math information 3.4.2 does fair competition cash leur developpement de afrique.*.