Perhaps you should try some spelling variations:
disease information » disaster information, database information
technology disease » technology increase, technology case, technology drivers
oral communication » personal communication
de development » e development, ce development, de developpement
efforts de » efforts do, efforts dean, efforts _
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 disease information about de oral communication efforts de development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technology disease information about de oral communication efforts de development _ afrique.*.