Perhaps you should try some spelling variations:
"parameters optimization algorithmssssss" » "parameters optimisation algorithm", "parameter optimization algorithmssssss", "parameter estimation algorithmssssss", "parameters optimisation algorithmsssss", "parameters estimation algorithmssssss", "parameters estimation algorithmsssss"
"write optimization algorithms" » "write optimisation algorithm", "write estimation algorithms", "write estimation algorithm", "game optimization algorithms", "qoe optimization algorithms", "stage optimization algorithms"

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: "((\"parameters optimization algorithmssssss\") OR (\"write optimization algorithms\"))~".
• Removing quotes may allow a broader search: (( parameters optimization algorithmssssss ) OR ( write optimization algorithms ))~.
• Adding a wildcard symbol may retrieve word variants: (("parameters optimization algorithmssssss") OR ("write optimization algorithms"))*.