Perhaps you should try some spelling variations:
oral communication » personal communication
technologies cost » technologies co, technologies case, technologies cohort
cost information » postal information, about information, asset information
information age » information storage, information access, information about
a afrique » l afrique, en afrique
der oral » der moral, der ort, der orte
age der » lage der, auge der, tage der

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

• Adding a wildcard symbol may retrieve word variants: technologies cost information age der oral communication costs _ development a afrique.*.