Perhaps you should try some spelling variations:
"learning-based 3d implantation technique" » "learning-based 3d imputation techniques", "learning-based 3d inhalation technique", "learning-based _ implantation technique", "learning-based co implantation technique", "learning-based k implantation technique"
"learning-based 3d floatation technique" » "learning-based 3d inhalation technique", "learning-based 3d imputation techniques", "learning-based 3d truncation technique", "learning-based _ floatation technique", "learning-based co floatation technique", "learning-based k floatation technique"

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 3d floatation technique") or ("learning-based 3d implantation technique"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("learning-based 3d floatation technique") OR ("learning-based 3d implantation technique")).
• Removing quotes may allow a broader search: (( learning-based 3d floatation technique ) or ( learning-based 3d implantation technique )).
• Adding a wildcard symbol may retrieve word variants: (("learning-based 3d floatation technique") or ("learning-based 3d implantation technique"))*.