Perhaps you should try some spelling variations:
"modified notion optimisation algorithm" » "modified notion optimization algorithms", "modified notion estimation algorithms", "modified network optimization algorithm"
"modified pulse estimation algorithm" » "modified pulses estimation algorithm", "modified pose estimation algorithm", "modified sphere estimation algorithm", "modified male estimation algorithm", "modified passive estimation algorithm"

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

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