Perhaps you should try some spelling variations:
reduction techniques » reduction technique, imputation techniques
floatation technique » inhalation technique, implantation technique, imputation techniques
k floatation » _ floatation
co reduction » _ reduction, h2o2 reduction, closed reduction
based co » based code, based no2, based two
based k » based _, based n, based 3d

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