Perhaps you should try some spelling variations:
limitation techniques » imputation techniques, mitigation techniques, augmentation techniques
reduction technique » reduction techniques, truncation technique
co limitation » food limitation, _ limitations
k reduction » _ reduction, _ prediction, _ production
based co » based code, based no2, based two
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 co limitation techniques ) or ( learning-based k reduction technique ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( learning-based co limitation techniques ) OR ( learning-based k reduction technique )).
• Adding a wildcard symbol may retrieve word variants: (( learning-based co limitation techniques ) or ( learning-based k reduction technique ))*.