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"
3d floatation » _ floatation

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