Perhaps you should try some spelling variations:
"learning-based k augmentation techniques" » "learning-based k imputation techniques", "learning-based data augmentation techniques", "learning-based _ augmentation techniques", "learning-based n augmentation techniques", "learning-based 3d augmentation techniques"
"learning-based k segmentation techniques" » "learning-based k imputation techniques", "learning-based 3d segmentation techniques", "learning-based _ segmentation techniques", "learning-based n segmentation techniques"

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 k augmentation techniques") OR ("learning-based k segmentation techniques"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"learning-based k augmentation techniques\") OR (\"learning-based k segmentation techniques\"))*".
• Removing quotes may allow a broader search: (( learning-based k augmentation techniques ) OR ( learning-based k segmentation techniques ))*.