Perhaps you should try some spelling variations:
oral communication » personal communication
communication cost » communication costs, communication costa, communications costs
major developments » market developments, sector developments
developments from » development from, developments after, developments _
study regulation » study population, study regulators, history regulation
regulation 5 » regulation _, regulation a, regulation 4
across oral » across local, across rural, across global
cost major » east major, got major
5 across » 19 across, eu across, ct across

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

• Adding a wildcard symbol may retrieve word variants: technology study regulation 5 across oral communication cost major developments from africa.*.