Perhaps you should try some spelling variations:
"learning-based novel implantation technique" » "learning-based novel imputation techniques", "learning-based novel floatation technique", "learning-based novel inhalation technique", "learning-based anodes implantation technique"
"learning-based co inhaler technique" » "learning-based co inhalation technique", "learning-based code inhaler technique", "learning-based no2 inhaler technique", "learning-based two inhaler 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 co inhaler technique") or ("learning-based novel implantation technique"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("learning-based co inhaler technique") OR ("learning-based novel implantation technique"))*.
• Removing quotes may allow a broader search: (( learning-based co inhaler technique ) or ( learning-based novel implantation technique ))*.