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
n reduction » _ reduction, _ prediction, _ production
based co » based code, based no2, based two
based n » based _, based k, based no2

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 n reduction technique ) or ( learning-based co limitation techniques ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( learning-based n reduction technique ) OR ( learning-based co limitation techniques )).
• Adding a wildcard symbol may retrieve word variants: (( learning-based n reduction technique ) or ( learning-based co limitation techniques ))*.