Perhaps you should try some spelling variations:
oral communication » personal communication
communication des » communication modes, communication design, communication data
development banks » development bank
technologies can » technologies a, technologies co, technologies _
can information » von information, von informationen
de development » e development, ce development, de developpement
information a » information age, information about
de oral » de otras, new oral
des de » des dem, des der, des des
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 can information a de oral communication des de development banks afrique.*.