Perhaps you should try some spelling variations:
"modified notion estimation algorithmss" » "modified notion estimation algorithms", "modified notion estimation algorithm", "modified notion optimization algorithms", "modified motion estimation algorithmss"
"modified objective approximation algorithms" » "modified objective approximation 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 notion estimation algorithmss") OR ("modified objective approximation algorithms"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modified notion estimation algorithmss\") OR (\"modified objective approximation algorithms\"))".
• Removing quotes may allow a broader search: (( modified notion estimation algorithmss ) OR ( modified objective approximation algorithms )).
• Adding a wildcard symbol may retrieve word variants: (("modified notion estimation algorithmss") OR ("modified objective approximation algorithms"))*.