Perhaps you should try some spelling variations:
augmentation techniques » segmentation techniques, imputation techniques
section techniques » reduction techniques, reduction technique, vision techniques
tool augmentation » data augmentation, tool orientation
cross section » cross sectional
based cross » based roms, based access, based closed
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 cross section techniques ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( learning-based tool augmentation techniques ) OR ( learning-based cross section techniques )).
• Adding a wildcard symbol may retrieve word variants: (( learning-based tool augmentation techniques ) or ( learning-based cross section techniques ))*.