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

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 no2 mitigation techniques ) or ( learning-based co segmentation techniques ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( learning-based no2 mitigation techniques ) OR ( learning-based co segmentation techniques )).
• Adding a wildcard symbol may retrieve word variants: (( learning-based no2 mitigation techniques ) or ( learning-based co segmentation techniques ))*.