Perhaps you should try some spelling variations:
oral communication » personal communication
technology supply » technology support, technology survey, technology suppliers
developments from » development from, developments after, developments _
20 developments » 20 development, 2 developments, 2004 developments
from american » from america, from america's, from african
function 3.4 » function 3.3, function 4, function _
work oral » work moral, world oral, work moralia
3.4 work » 1.4 work, 2.4 work, 12.4 work
costs 20 » costs 60, costs 2.3, costs 2.1

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

• Adding a wildcard symbol may retrieve word variants: technology supply function 3.4 work oral communication costs 20 developments from american.*.