Perhaps you should try some spelling variations:
oral communication » personal communication
information 5.1.2 » information 5.2.2, information 5.4.2, information 9.1.2
technologies ser » technologies series, technologies sector, technologies _
le developpement » de developpement, sme development
developpement et » developpement des, developpement de, development east
ser information » user information, der information, users information
et afrique » en afrique, l afrique
5.1.2 der » 2.1.2 der, 3.1.2 der, 5.1.1 der
der oral » der moral, der ort, der orte
a le » a les, a la, a l

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

• Adding a wildcard symbol may retrieve word variants: technologies ser information 5.1.2 der oral communication a le developpement et afrique.*.