Perhaps you should try some spelling variations:
"modified notion estimation algorithms" » "modified notion estimation algorithm", "modified notion optimization algorithms", "modified notion optimisation algorithm", "modified motion estimation algorithms"
"modified nodal solution algorithm" » "modified nodal evolution algorithm", "modified nodal convolution algorithms", "modified nodal evolutionary algorithm", "modified adam solution algorithm", "modified near solution algorithm", "modified model solutions algorithm", "modified norway solution algorithm", "modified nacl solution 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 notion estimation algorithms") or ("modified nodal solution algorithm"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("modified notion estimation algorithms") OR ("modified nodal solution algorithm")).
• Removing quotes may allow a broader search: (( modified notion estimation algorithms ) or ( modified nodal solution algorithm )).
• Adding a wildcard symbol may retrieve word variants: (("modified notion estimation algorithms") or ("modified nodal solution algorithm"))*.