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