Perhaps you should try some spelling variations:
mitigation techniques » imputation techniques
floatation technique » inhalation technique, implantation technique, imputation techniques
two floatation » _ floatation
based error » based sensor
based two » based tool, based co

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• Performing a fuzzy search may retrieve terms with similar spellings: (( learning-based error mitigation techniques ) or ( learning-based two floatation technique ))~.
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