Perhaps you should try some spelling variations:
segmentation techniques » augmentation techniques, imputation techniques
indication technique » inhalation technique, reduction technique, truncation technique
sensor segmentation » series segmentation, semantic segmentation
code indication » novel indication
gas sensor » gas sensors
based code » based anode

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( learning-gas sensor segmentation techniques ) OR ( learning-based code indication technique ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( learning-gas sensor segmentation techniques ) OR ( learning-based code indication technique ))".
• Adding a wildcard symbol may retrieve word variants: (( learning-gas sensor segmentation techniques ) OR ( learning-based code indication technique ))*.