Perhaps you should try some spelling variations:
oral communication » personal communication
information needs » information networks
power development » water development, career development, hydropower development
technologies any » technologies dans, technologies a, technologies art
any information » ary information, key information, pay information
costs power » cost power, costs per, costs peter
needs de » needs men, needs one, needs _
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 any information needs de oral communication costs power development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies any information needs de oral communication costs power development _ afrique.*.