Perhaps you should try some spelling variations:
technologies volume » technology volume, technologies policies
volume information » house information, some information, valuable information
oral communication » personal communication
information based » information case, information bank, transformation based
de development » e development, ce development, de developpement
a afrique » l afrique, en afrique
based de » based dm, based debt, based deep
costs de » costs _, costs 4, costs a
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: technologies volume information based de oral communication costs de development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies volume information based de oral communication costs de development a afrique.*.