Perhaps you should try some spelling variations:
implantation technique » imputation techniques, floatation technique, inhalation technique
limitation techniques » imputation techniques, mitigation techniques, augmentation techniques
code implantation » novel implantation
n limitation » _ limitations, co limitation
based code » based anode
based n » based _, based k, based no2

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 code implantation technique ) or ( learning-based n limitation techniques ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( learning-based code implantation technique ) OR ( learning-based n limitation techniques )).
• Adding a wildcard symbol may retrieve word variants: (( learning-based code implantation technique ) or ( learning-based n limitation techniques ))*.