Perhaps you should try some spelling variations:
segmentation techniques » augmentation techniques, imputation techniques
mitigation techniques » imputation techniques
two segmentation » 3d segmentation
n mitigation » _ mitigation, _ litigation
based two » based tool, based co
based n » based _, based k, based no2

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( learning-based n mitigation techniques ) or ( learning-based two segmentation techniques ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( learning-based n mitigation techniques ) OR ( learning-based two segmentation techniques )).
• Adding a wildcard symbol may retrieve word variants: (( learning-based n mitigation techniques ) or ( learning-based two segmentation techniques ))*.