Perhaps you should try some spelling variations:
"modified adaptive quantization algorithm" » "modified adaptive estimation algorithm", "modified adaptive ventilation algorithm", "modified passive quantization algorithm"
"modified orcad optimisation algorithm" » "modified orcad optimization algorithms", "modified orcad estimation algorithm", "modified orcad estimation algorithms", "modified orca optimisation algorithm"

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 quantization algorithm") OR ("modified orcad optimisation algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modified adaptive quantization algorithm\") OR (\"modified orcad optimisation algorithm\"))".
• Removing quotes may allow a broader search: (( modified adaptive quantization algorithm ) OR ( modified orcad optimisation algorithm )).
• Adding a wildcard symbol may retrieve word variants: (("modified adaptive quantization algorithm") OR ("modified orcad optimisation algorithm"))*.