Perhaps you should try some spelling variations:
personal communication » interpersonal communication
communication methods » communication media, communication model
technologies 4 » technologies _
ce development » ece development, e development, rice development
4 information » 2 information, 1 information
development l » development li, development 1, development law
de personal » der personal, des personal, de persona
methods ce » methods case, methods cell, methods code
l afrique » en afrique
about de » about due, about dead, about debt

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information about de personal communication methods ce development l afrique.*.