Perhaps you should try some spelling variations:
modern communication » modern communications, modern communicator, modeling communication
society development » social development, city development, policy development
transfer operator » transfer operators, transport operators
communication 1 » communication _, communication a, communication 3
crisis modern » crisis model, crisis models, crisis under
operator 5 » operators 5, operator _, operator 4
1 society » a society, e society, 2 society
5 crisis » 1 crisis, 3 crisis, 4 crisis

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

• Adding a wildcard symbol may retrieve word variants: technology transfer operator 5 crisis modern communication 1 society development planning a.*.