Perhaps you should try some spelling variations:
oral communication » personal communication
technology versus » technology mergers, technology users, technology consensus
development mali » development maria, development small, development main
2.1 development » 3.1 development, 2.3 development, 2.2 development
versus auction » versus function, versus actions, versus inaction
mali americans » somali americans, many americans, latin americans
auction als » aktion als, auction pages, education als
urban oral » urban rural, urban brazil
als urban » als urbane, urs urban, us urban
costs 2.1 » costs 2.3, costs 4.1, costs 2.2

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

• Adding a wildcard symbol may retrieve word variants: technology versus auction als urban oral communication costs 2.1 development mali americans.*.