Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information costs » information contents, information centers, information content
developing human » development human, developing a, developing asia
technologies ct » technologies co, technologies art, technologies bit
ct information » cost information, get information, iot information
der personal » der personalen, der personen, der person
human africa » roman africa, urban africa, can africa
costs der » costs differ

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies ct information costs der personal communication costs _ developing human africa.~.
• Adding a wildcard symbol may retrieve word variants: technologies ct information costs der personal communication costs _ developing human africa.*.