Perhaps you should try some spelling variations:
segmentation techniques » augmentation techniques, imputation techniques
inhaler technique » inhalation technique
no2 segmentation » 3d segmentation
based two » based tool, based co
based no2 » based co, based n

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• Performing a fuzzy search may retrieve terms with similar spellings: (( learning-based two inhaler technique ) OR ( learning-based no2 segmentation techniques ))~.
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