Perhaps you should try some spelling variations:
optimisation algorithm » optimization algorithms, estimation algorithm, estimation algorithms
optimization algorithm » optimization algorithms, estimation algorithm, estimation algorithms
policy optimization » topology optimization
modified adaptive » modified passive

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( modified adaptive optimisation algorithm ) OR ( modified policy optimization algorithm ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( modified adaptive optimisation algorithm ) OR ( modified policy optimization algorithm ))".
• Adding a wildcard symbol may retrieve word variants: (( modified adaptive optimisation algorithm ) OR ( modified policy optimization algorithm ))*.