Perhaps you should try some spelling variations:
imputation techniques » implantation technique, augmentation techniques, segmentation techniques
reduction technique » reduction techniques, truncation technique
nnode reduction » model reduction, closed reduction
a imputation » data imputation, _ computation, _ reputation
based nnode » based anode, based anodes, based code
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 nnode reduction technique ) OR ( learning-based a imputation techniques ))~.
• Adding a wildcard symbol may retrieve word variants: (( learning-based nnode reduction technique ) or ( learning-based a imputation techniques ))*.