Perhaps you should try some spelling variations:
"learning-based mil mitigation techniques" » "learning-based mil imputation techniques", "learning-based _ mitigation techniques", "learning-based civil litigation techniques", "learning-based gel mitigation techniques"
"learning-based k inhalation technique" » "learning-based k floatation technique", "learning-based k implantation technique", "learning-based k imputation techniques", "learning-based _ inhalation technique", "learning-based k inflation technique", "learning-based _ inflation technique", "learning-based n inhalation technique", "learning-based 3d inhalation 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 mil mitigation techniques") OR ("learning-based k inhalation technique"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"learning-based mil mitigation techniques\") OR (\"learning-based k inhalation technique\"))".
• Removing quotes may allow a broader search: (( learning-based mil mitigation techniques ) OR ( learning-based k inhalation technique )).
• Adding a wildcard symbol may retrieve word variants: (("learning-based mil mitigation techniques") OR ("learning-based k inhalation technique"))*.