Perhaps you should try some spelling variations:
indication techniques » imputation techniques, mitigation techniques, reduction techniques
inhalation technique » floatation technique, implantation technique, imputation techniques
code indication » novel indication
two inhalation » _ inhalation
based code » based anode
based two » based tool, based co

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