Perhaps you should try some spelling variations:
22radiation injuries » radiation injury, rotation injuries
radiation injuries » radiation injury, radiation induced
friction injuries » frictions inquiries, friction induces, junction injuries
2 therapy » 2 therapie
amputation » imputation, computation, reputation

Try widening your search to All Fields.

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

• If you are trying to use Boolean operators, they must be ALL CAPS: %((((((22radiation injuries) OR (friction injuries))) OR (amputation injuries))) OR (radiation injuries)) %2 therapy%22.
• Adding a wildcard symbol may retrieve word variants: %((((((22radiation injuries) or (friction injuries))) or (amputation injuries))) or (radiation injuries)) %2 therapy%22*.