Perhaps you should try some spelling variations:
floatation technique » inhalation technique, implantation technique, imputation techniques
indication technique » inhalation technique, reduction technique, truncation technique
anodes indication » novel indication
no2 floatation » _ floatation
based anodes » based anode, based code
based no2 » based co, based n

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