Perhaps you should try some spelling variations:
customer information » consumer information
technology customer » methodology customer, technology culture, technology center
oral communication » personal communication
a afrique » l afrique, en afrique
about de » about due, about dead, about debt
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 customer information about de oral communication media _ development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technology customer information about de oral communication media _ development a afrique.*.