Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
factor development » factors development, sector development, actors development
el communication » cell communication, real communication, 3 communication
development act » development a, development aid, development age
relations 2.4 » relations 2.1, relations 2.5, relations 3.4
technology a » technology 1, technology 3, technology 4
costa factor » host factor, china factor, cost vector
a relations » 3 relations, a relation, 1 relations
2.4 crisis » 2.1 crisis, 2.2 crisis, 2.5 crisis
act aortic » acute aortic, after aortic
crisis el » crisis _, crisis a, crisis 1

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

• Adding a wildcard symbol may retrieve word variants: technology a relations 2.4 crisis el communication costa factor development act aortic.*.