Perhaps you should try some spelling variations:
oral communication » personal communication
information 3.1.3 » information 13.1.3, information 3.3.3, information 3.4.3
technologies ser » technologies series, technologies sector, technologies _
de developpement » sme development
developpement la » developpement de, developpement et, developpement du
ser information » user information, der information, users information
la afrique » l afrique, la fabrique, en afrique
3.1.3 die » 3.1.2 die, 3.1.1 die, 2.1.3 die
die oral » die moral, die orte
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies ser information 3.1.3 die oral communication a de developpement la afrique.*.