Perhaps you should try some spelling variations:
augmentation techniques » segmentation techniques, imputation techniques
reduction techniques » reduction technique, imputation techniques
code augmentation » image augmentation, data augmentation
closed reduction » model reduction
based closed » based cross
based code » based anode

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 code augmentation techniques ) OR ( learning-based closed reduction techniques ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( learning-based code augmentation techniques ) OR ( learning-based closed reduction techniques ))".
• Adding a wildcard symbol may retrieve word variants: (( learning-based code augmentation techniques ) OR ( learning-based closed reduction techniques ))*.