Perhaps you should try some spelling variations:
implantation technique » imputation techniques, floatation technique, inhalation technique
reduction techniques » reduction technique, imputation techniques
no2 implantation » novel implantation
co reduction » _ reduction, h2o2 reduction, closed reduction
based no2 » based n
based co » based code, based two, based _

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 no2 implantation technique ) or ( learning-based co reduction techniques ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( learning-based no2 implantation technique ) OR ( learning-based co reduction techniques )).
• Adding a wildcard symbol may retrieve word variants: (( learning-based no2 implantation technique ) or ( learning-based co reduction techniques ))*.