Perhaps you should try some spelling variations:
segmentation techniques » augmentation techniques
imputation techniques » implantation technique, augmentation techniques, floatation technique
error segmentation » series segmentation
based error » based sensor
based code » based anode

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• Performing a fuzzy search may retrieve terms with similar spellings: (( learning-based code imputation techniques ) or ( learning-based error segmentation techniques ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( learning-based code imputation techniques ) OR ( learning-based error segmentation techniques )).
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