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