Perhaps you should try some spelling variations:
"modified devices convolution algorithms" » "modified devices evolution algorithm", "modified devices solution algorithm", "modified devices conventional algorithms", "modified traces convolution algorithms"
"modified adaptive estimation algorithm" » "modified adaptive ventilation algorithm", "modified quantile estimation algorithm", "modified adaptive quantization algorithm", "modified passive estimation algorithm"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("modified devices convolution algorithms") or ("modified adaptive estimation algorithm"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("modified devices convolution algorithms") OR ("modified adaptive estimation algorithm")).
• Removing quotes may allow a broader search: (( modified devices convolution algorithms ) or ( modified adaptive estimation algorithm )).
• Adding a wildcard symbol may retrieve word variants: (("modified devices convolution algorithms") or ("modified adaptive estimation algorithm"))*.