Perhaps you should try some spelling variations:
oral communication » personal communication
information when » information what, information war, information wants
13.4 development » 1.3.4 development, 1.4 development, 3.4 development
development can » development case, development co, development canada
technologies 2 » technologies _, technologies 4
costs 13.4 » costs 11.4, costs 12.4, costs 23.4
can africa » urban africa
when knew » when know, when new, we knew
knew oral » knew moral, new oral, new moral

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 when knew oral communication costs 13.4 development can africa.~.
• Adding a wildcard symbol may retrieve word variants: technologies 2 information when knew oral communication costs 13.4 development can africa.*.