Perhaps you should try some spelling variations:
"learning-based co segmentation techniques" » "learning-based co augmentation techniques", "learning-based co imputation techniques", "learning-based 3d segmentation techniques", "learning-based no2 segmentation techniques", "learning-based two segmentation techniques", "learning-based _ segmentation techniques"
"learning-based code truncation technique" » "learning-based code floatation technique", "learning-based code inhalation technique", "learning-based code reduction technique", "learning-based anode truncation technique", "learning-based no2de truncation technique", "learning-based twode truncation technique", "learning-based _de truncation technique"

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