Perhaps you should try some spelling variations:
imputation techniques » implantation technique, augmentation techniques, segmentation techniques
floatation technique » inhalation technique, implantation technique, truncation technique
model imputation » model computational
3d floatation » _ floatation
based model » based code, based modeling, based anodes
based 3d » based _, based co, based k

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