Perhaps you should try some spelling variations:
augmentation techniques » segmentation techniques, imputation techniques
mitigation techniques » imputation techniques
3do2 augmentation » 3d segmentation, data augmentation
3d mitigation » _ mitigation, _ litigation
based 3do2 » based no2
based 3d » based _, 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 3do2 augmentation techniques ) OR ( learning-based 3d mitigation techniques ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( learning-based 3do2 augmentation techniques ) OR ( learning-based 3d mitigation techniques ))".
• Adding a wildcard symbol may retrieve word variants: (( learning-based 3do2 augmentation techniques ) OR ( learning-based 3d mitigation techniques ))*.