Perhaps you should try some spelling variations:
segmentation techniques » augmentation techniques, imputation techniques
reduction techniques » reduction technique, imputation techniques
sensor segmentation » series segmentation, semantic segmentation
code reduction » model reduction, closed reduction
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 reduction techniques ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( learning-gas sensor segmentation techniques ) OR ( learning-based code reduction techniques )).
• Adding a wildcard symbol may retrieve word variants: (( learning-gas sensor segmentation techniques ) or ( learning-based code reduction techniques ))*.