Perhaps you should try some spelling variations:
imputation techniques » implantation technique, augmentation techniques, segmentation techniques
inhalation technique » floatation technique, implantation technique, inhaler technique
mri inhalation » _ inhalation
k imputation » _ computation, _ reputation
based mri » based mil
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 imputation techniques ) or ( learning-based mri inhalation technique ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( learning-based k imputation techniques ) OR ( learning-based mri inhalation technique )).
• Adding a wildcard symbol may retrieve word variants: (( learning-based k imputation techniques ) or ( learning-based mri inhalation technique ))*.