Perhaps you should try some spelling variations:
segmentation techniques » augmentation techniques, imputation techniques
implantation technique » imputation techniques, floatation technique, inhalation technique
a implantation » _ implementation
based 3d » based _, based co, based k
based a » based _, based k, 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 a implantation technique ) or ( learning-based 3d segmentation techniques ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( learning-based a implantation technique ) OR ( learning-based 3d segmentation techniques )).
• Adding a wildcard symbol may retrieve word variants: (( learning-based a implantation technique ) or ( learning-based 3d segmentation techniques ))*.