Perhaps you should try some spelling variations:
technological content » technological potential, technological frontier, technological change
verbal communication » nonverbal communication, virtual communication, oral communication
content information » contents information, contact information, contract information
information speed » information sheet, information needed, information needs
smt development » set development, smart development, ict development
die verbal » die verbale, des verbal, pre verbal
speed die » speed line, speed time, speed re

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

• Adding a wildcard symbol may retrieve word variants: technological content information speed die verbal communication _ smt development 1 africa.*.