Perhaps you should try some spelling variations:
communication models » communications models, communication model, communication modes
development urban » development bank, development band, development update
technologies can » technologies a, technologies co, technologies _
can information » von information, von informationen
models human » model human, modern human, modeling human
urban africa » urban area
about de » about due, about dead, about debt

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies can information about de _ communication models human development urban africa.~.
• Adding a wildcard symbol may retrieve word variants: technologies can information about de _ communication models human development urban africa.*.