Perhaps you should try some spelling variations:
"modified notion optimisation algorithmss" » "modified notion optimisation algorithm", "modified notion optimization algorithms", "modified notion estimation algorithms", "modified network optimization algorithmss"
"modified objective estimation algorithm" » "modified objective optimization algorithm", "modified objective allocation 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 objective estimation algorithm") OR ("modified notion optimisation algorithmss"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modified objective estimation algorithm\") OR (\"modified notion optimisation algorithmss\"))*".
• Removing quotes may allow a broader search: (( modified objective estimation algorithm ) OR ( modified notion optimisation algorithmss ))*.