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

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 n truncation technique ) OR ( learning-based 3d floatation technique ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( learning-based n truncation technique ) OR ( learning-based 3d floatation technique ))".
• Adding a wildcard symbol may retrieve word variants: (( learning-based n truncation technique ) OR ( learning-based 3d floatation technique ))*.