Perhaps you should try some spelling variations:
mitigation techniques » imputation techniques
simulation techniques » imputation techniques, segmentation techniques, inhalation technique
twode simulation » 3d simulation
two mitigation » _ mitigation, error mitigation
based twode » based anode, based code, based anodes
based two » based tool, based co

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