Perhaps you should try some spelling variations:
"learning-based co implantation technique" » "learning-based co imputation techniques", "learning-based co inhalation technique", "learning-based novel implantation technique", "learning-based code implantation technique", "learning-based no2 implantation technique", "learning-based two implantation technique"
"learning-based co floatation technique" » "learning-based co inhalation technique", "learning-based co imputation techniques", "learning-based co truncation technique", "learning-based _ floatation technique", "learning-based code floatation technique", "learning-based no2 floatation technique", "learning-based two floatation technique"

Try widening your search to All Fields.

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