Perhaps you should try some spelling variations:
"learning-based codeo2 segmentation techniques" » "learning-based codeo2 augmentation techniques", "learning-based codeo2 imputation techniques", "learning-based code segmentation techniques"
"learning-based data inhaler technique" » "learning-based data inhalation 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 data inhaler technique") or ("learning-based codeo2 segmentation techniques"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("learning-based data inhaler technique") OR ("learning-based codeo2 segmentation techniques"))*.
• Removing quotes may allow a broader search: (( learning-based data inhaler technique ) or ( learning-based codeo2 segmentation techniques ))*.