Perhaps you should try some spelling variations:
22image processing » image processing, onimage processing, images processing
toimage processing » image processing, onimage processing, triage processing
pc computer » pc computers, hpc computer, ppc computer
2f methods » cf methods, f methods, hf methods

Try widening your search to All Fields.

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: "%((22image processing) OR (toimage processing))%pc computer-assisted %2f methods%22".
• Adding a wildcard symbol may retrieve word variants: %((22image processing) OR (toimage processing))%pc computer-assisted %2f methods%22*.