Perhaps you should try some spelling variations:
orientation techniques » augmentation techniques, segmentation techniques, mitigation techniques
imputation techniques » implantation technique, augmentation techniques, segmentation techniques
tool orientation » _ orientation, ebsd orientation
based sensor » gas sensor, based sers
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 orientation techniques ) or ( learning-based sensor imputation techniques ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( learning-based tool orientation techniques ) OR ( learning-based sensor imputation techniques )).
• Adding a wildcard symbol may retrieve word variants: (( learning-based tool orientation techniques ) or ( learning-based sensor imputation techniques ))*.