Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
technology private » technology preface, technology rate, technology related
oral communication » personal communication
about de » about due, about dead, about debt
de oral » de otras, new oral
costa a » costa e, cost a, costa 3

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

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