Perhaps you should try some spelling variations:
mitigation techniques » imputation techniques
floatation technique » inhalation technique, implantation technique, imputation techniques
novel mitigation » civil litigation, novel indication
based novel » based anodes
based anode » based code

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 novel mitigation techniques ) or ( learning-based anode floatation technique ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( learning-based novel mitigation techniques ) OR ( learning-based anode floatation technique )).
• Adding a wildcard symbol may retrieve word variants: (( learning-based novel mitigation techniques ) or ( learning-based anode floatation technique ))*.