Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
vector development » sector development, sector developments, factor development
get communication » et communication, debt communication, de communication
study conditions » cloudy conditions, study combinations, supply conditions
development age » development stage, development a, development aid
conditions 2.1 » conditions 2.10, conditions 22.1, conditions 28.1
cost vector » class vector, reset vector, short vector
2.1 crisis » 3.1 crisis, 2010 crisis, 2011 crisis
crisis get » crisis great, crisis aged, crisis best
age aortic » acute aortic, after aortic

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

• Adding a wildcard symbol may retrieve word variants: technology study conditions 2.1 crisis get communication cost vector development age aortic.*.