Perhaps you should try some spelling variations:
augmentation techniques » segmentation techniques, imputation techniques
limitation techniques » imputation techniques, mitigation techniques, segmentation techniques
code limitation » co limitation, food limitation
n augmentation » data augmentation
based code » based anode
based n » based _, based k, based no2

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

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