Perhaps you should try some spelling variations:
"modified notion optimisation algorithm" » "modified notion optimization algorithms", "modified notion estimation algorithm", "modified network optimization algorithm"
"modified total estimation algorithms" » "modified total estimation algorithm", "modified total optimization algorithms", "modified total approximation algorithms", "modified motion estimation algorithms", "modified pose estimation algorithms", "modified total variation algorithms", "modified thermal estimation algorithms", "modified ti6al4v estimation algorithms"

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