Perhaps you should try some spelling variations:
imputation techniques » implantation technique, augmentation techniques, segmentation techniques
inhalation technique » floatation technique, implantation technique, inhaler technique
novel imputation » novel implantation, novel indication
based anode » based code
based novel » based anodes

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 anode inhalation technique ) OR ( learning-based novel imputation techniques ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( learning-based anode inhalation technique ) OR ( learning-based novel imputation techniques ))".
• Adding a wildcard symbol may retrieve word variants: (( learning-based anode inhalation technique ) OR ( learning-based novel imputation techniques ))*.