Perhaps you should try some spelling variations:
sector information » sector integration, customer information, disaster information
oral communication » personal communication
technology sector » technology series, technology social
information flow » information flows
a afrique » l afrique, en afrique
flow de » flow der, flow e
de oral » de otras, new oral

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology sector information flow de oral communication media _ development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technology sector information flow de oral communication media _ development a afrique.*.