Perhaps you should try some spelling variations:
"modified adaptive approximation algorithms" » "modified time approximation algorithms", "modified passive approximation algorithms"
"modified write estimation algorithms" » "modified write estimation algorithm", "modified write optimization algorithms", "modified write optimisation algorithm", "modified risk estimation algorithms", "modified pose estimation algorithms"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("modified write estimation algorithms") OR ("modified adaptive approximation algorithms"))~.
• Removing quotes may allow a broader search: (( modified write estimation algorithms ) or ( modified adaptive approximation algorithms ))~.
• Adding a wildcard symbol may retrieve word variants: (("modified write estimation algorithms") or ("modified adaptive approximation algorithms"))*.