Perhaps you should try some spelling variations:
quantization algorithmss » estimation algorithms, optimization algorithms
objective optimisation » objective optimization, multiobjective optimization
optimisation algorithm » optimization algorithms, estimation algorithm, estimation algorithms
passive quantization » adaptive quantization
modified passive » modified adaptive

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

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