Perhaps you should try some spelling variations:
communication skill » communication skills, communications skills, communication social
technologies based » technologies used, technology based, technologies a
oral communication » personal communication
based information » basic information, based innovation, land information
development case » development china
information a » information age, information about
de oral » de otras, new oral
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies based information a de oral communication skill _ development case afrique.*.