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