Perhaps you should try some spelling variations:
imputation techniques » implantation technique, augmentation techniques, segmentation techniques
reduction techniques » reduction technique
code reduction » model reduction, closed reduction
co imputation » co limitation
based code » based anode
based co » based no2, based two, based _

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