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