Perhaps you should try some spelling variations:
augmentation techniques » segmentation techniques
imputation techniques » implantation technique, segmentation techniques, floatation technique
ko2 augmentation » data augmentation
based code » based anode
based ko2 » based no2, 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 code imputation techniques ) or ( learning-based ko2 augmentation techniques ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( learning-based code imputation techniques ) OR ( learning-based ko2 augmentation techniques )).
• Adding a wildcard symbol may retrieve word variants: (( learning-based code imputation techniques ) or ( learning-based ko2 augmentation techniques ))*.