Perhaps you should try some spelling variations:
"parameter optimization algorithmssss" » "parameter optimization algorithms", "parameter optimisation algorithm", "parameter optimization algorithmsssss", "parameter optimisation algorithmssss", "parameter estimation algorithmssss", "parameters optimization algorithmssss"
"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 (\"parameter optimization algorithmssss\"))~".
• Removing quotes may allow a broader search: (( allocation optimization algorithm ) OR ( parameter optimization algorithmssss ))~.
• Adding a wildcard symbol may retrieve word variants: (("allocation optimization algorithm") OR ("parameter optimization algorithmssss"))*.