Perhaps you should try some spelling variations:
radiation status » graduation status, hydration status, radiation storms
case development » care development, based development, scale development
technology 2.3 » technology 2.2, technology 2.1, technology 3.3
2.3 radiation » 2.1 radiation, 3.3 radiation, 8.3 radiation
costs case » costs cash
fr e » fur e, dr e, f e
r e » dr e

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technology 2.3 radiation status ((fr e) OR (r e)) communication costs case development 1 africa.~".
• Adding a wildcard symbol may retrieve word variants: technology 2.3 radiation status ((fr e) OR (r e)) communication costs case development 1 africa.*.