Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologies iot » technologies ict, technologies icts, technologies art
information case » information based, information can, information costs
developing urban » development urban, developing human, developing areas
iot information » ist information, cost information, plot information
a developing » a development
urban africa » urban area
de personal » der personal, des personal, de persona
case de » case des, case d, case d1
costs a » costs _, costs 4

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies iot information case de personal communication costs a developing urban africa.~.
• Adding a wildcard symbol may retrieve word variants: technologies iot information case de personal communication costs a developing urban africa.*.