Perhaps you should try some spelling variations:
segmentation techniques » augmentation techniques
imputation techniques » implantation technique, augmentation techniques, floatation technique
co segmentation » 3d segmentation
based coo2 » based code, based no2, based tool
based co » based code, based no2, based two

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 coo2 imputation techniques ) or ( learning-based co segmentation techniques ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( learning-based coo2 imputation techniques ) OR ( learning-based co segmentation techniques )).
• Adding a wildcard symbol may retrieve word variants: (( learning-based coo2 imputation techniques ) or ( learning-based co segmentation techniques ))*.