Perhaps you should try some spelling variations:
oil communication » oral communication, social communication, moral communication
technologies 3 » technologies _, technologies 4, technologies 2
3 information » 1 information
information 2 » information 3
states africa » states african, state africa, status africa
4 developing » 3 developing
des oil » does oil, des oid, debt oil
costs 4 » costs _, costs a, costs 4.2
2 des » 2 der, 2 das, a des

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies 3 information 2 des oil communication costs 4 developing states africa.~.
• Adding a wildcard symbol may retrieve word variants: technologies 3 information 2 des oil communication costs 4 developing states africa.*.