Perhaps you should try some spelling variations:
"parameters optimization algorithmssssssss" » "parameters optimization algorithms", "parameter optimization algorithmssssssss", "parameter estimation algorithmssssssss", "parameters optimization algorithmsssssssss", "parameters optimisation algorithmssssssss", "parameters estimation algorithmssssssss"
"allocation optimization algorithm" » "allocation optimization algorithms", "allocation optimisation algorithm", "allocation estimation algorithm", "location optimization algorithm"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"allocation optimization algorithm\") OR (\"parameters optimization algorithmssssssss\"))~".
• Removing quotes may allow a broader search: (( allocation optimization algorithm ) OR ( parameters optimization algorithmssssssss ))~.
• Adding a wildcard symbol may retrieve word variants: (("allocation optimization algorithm") OR ("parameters optimization algorithmssssssss"))*.