Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
cell communications » cell communication, health communications, rural communications
global development » regional development, social development, rural development
development plan » development plans, development planning, development policy
radiation 2.2.4 » radiation 1.2.4, radiation 2.2.7, radiation 2.4.4
technology 4 » technology _, technology 1, technology 3
2.2.4 crisis » 2.2.2 crisis, 2.2 crisis, 2.3.1 crisis
costs global » costly global, post global, cottons global
4 radiation » _ radiation, 3 radiation, 5 radiation
crisis cell » crisis could, crisis chile

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

• Adding a wildcard symbol may retrieve word variants: technology 4 radiation 2.2.4 crisis cell communications costs global development plan _.*.