Perhaps you should try some spelling variations:
types transformational » key transformational, mistakes transformational, authors transformational
transformational key » transformational _, transformational pt, transformational use
communication cost » communication costs, communication costa, communications costs
technology types » ichnology types, technology takers, technology tools
3 communication » 4 communication, de communication, data communication
2.5 developing » 25.5 developing, 2.2 developing, 1.5 developing
developing e » developing _, developing a, developing east
key debate » key debates, el debate, ce debate
debate 3 » debate _, debate 4, debate a
cost 2.5 » costs 2.5, cost 2.4, cost 2.2
e africa » em africa, de africa, eu africa

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

• Adding a wildcard symbol may retrieve word variants: technology types transformational key debate 3 communication cost 2.5 developing e africa.*.