Perhaps you should try some spelling variations:
oral communication » personal communication
variation reading » tradition reading, variation among, variation using
de developpement » sme development
developpement la » developpement de, developpement et, developpement du
der variation » de variation, does variation, die variation
typology der » typologie der, typologien der, typologie des
reading does » lending does, reading die, reading books
la afrique » l afrique, la fabrique, en afrique
does oral » does formal, does oil

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

• Adding a wildcard symbol may retrieve word variants: typology der variation reading does oral communication _ de developpement la afrique.*.