Perhaps you should try some spelling variations:
augmentation techniques » segmentation techniques
imputation techniques » implantation technique, segmentation techniques, floatation technique
co augmentation » data augmentation
based sensor » gas sensor, based sers
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 co augmentation techniques ) OR ( learning-based sensor imputation techniques ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( learning-based co augmentation techniques ) OR ( learning-based sensor imputation techniques ))".
• Adding a wildcard symbol may retrieve word variants: (( learning-based co augmentation techniques ) OR ( learning-based sensor imputation techniques ))*.