Perhaps you should try some spelling variations:
augmentation techniques » segmentation techniques
imputation techniques » implantation technique, segmentation techniques, floatation technique
model augmentation » image augmentation
based model » based code, based modeling, based anodes
based no2 » based co, based n

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 no2 imputation techniques ) or ( learning-based model augmentation techniques ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( learning-based no2 imputation techniques ) OR ( learning-based model augmentation techniques )).
• Adding a wildcard symbol may retrieve word variants: (( learning-based no2 imputation techniques ) or ( learning-based model augmentation techniques ))*.