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

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"learning-based 3D inhalation technique\") OR (\"learning-based 3D implantation technique\"))~".
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• Adding a wildcard symbol may retrieve word variants: (("learning-based 3D inhalation technique") OR ("learning-based 3D implantation technique"))*.