Perhaps you should try some spelling variations:
"modified changing optimisation algorithm" » "modified changing optimization algorithms", "modified changing estimation algorithm", "modified changing estimation algorithms", "modified staffing optimization algorithm", "modified caging optimisation algorithm"
"modified static optimization algorithm" » "modified static optimization algorithms", "modified static estimation algorithm", "modified static estimation algorithms", "modified stage optimization algorithm", "modified stochastic optimization algorithm", "modified staffing 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: "((\"modified changing optimisation algorithm\") OR (\"modified static optimization algorithm\"))~".
• Removing quotes may allow a broader search: (( modified changing optimisation algorithm ) OR ( modified static optimization algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (("modified changing optimisation algorithm") OR ("modified static optimization algorithm"))*.