Perhaps you should try some spelling variations:
augmentation techniques » segmentation techniques
imputation techniques » implantation technique, segmentation techniques, floatation technique
no2de augmentation » image augmentation
based no2de » based anode, based code, based no2
based two » based tool, based co

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 two imputation techniques ) or ( learning-based no2de augmentation techniques ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( learning-based two imputation techniques ) OR ( learning-based no2de augmentation techniques )).
• Adding a wildcard symbol may retrieve word variants: (( learning-based two imputation techniques ) or ( learning-based no2de augmentation techniques ))*.