Perhaps you should try some spelling variations:
oral communication » personal communication
strategy africa » strategy asia
technologies 2 » technologies _, technologies 4
information a » information age, information about
4 development » 2 development, 4 developing
des oral » des moral, des oil, des orts
costs 4 » costs _, costs a, costs 4.2
a des » a der, a das

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies 2 information a des oral communication costs 4 development strategy africa.~.
• Adding a wildcard symbol may retrieve word variants: technologies 2 information a des oral communication costs 4 development strategy africa.*.