Perhaps you should try some spelling variations:
mitigation techniques » imputation techniques
floatation technique » inhalation technique, implantation technique, imputation techniques
3d floatation » _ floatation
a mitigation » _ mitigation, _ litigation
based 3d » based _, based co, based k
based a » based _, based k, based n

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( learning-based 3d floatation technique ) OR ( learning-based a mitigation techniques ))~.
• Adding a wildcard symbol may retrieve word variants: (( learning-based 3d floatation technique ) or ( learning-based a mitigation techniques ))*.