Perhaps you should try some spelling variations:
communication models » communications models, communication model, communication modes
oral communication » personal communication
technologies und » technologie und, technologien und, technologies under
und information » fund information, road information, award information
models human » model human, modern human, modeling human
flows do » flows how, flows job, flows _
do oral » do rural, who oral

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

• Adding a wildcard symbol may retrieve word variants: technologies und information flows do oral communication models human development _ afrique.*.