Perhaps you should try some spelling variations:
functions segmentation » motion segmentation, detection segmentation, functions computation
brain segmentation » motion segmentation, based segmentation, fast segmentation
methods discourse » methods course, methods disease, methods discrete
discourse a » discourse _
a ant » _ ant, a ana, e ant

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((functions segmentation) or (brain segmentation)) methods discourse a ant~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((functions segmentation) OR (brain segmentation)) methods discourse a ant.
• Adding a wildcard symbol may retrieve word variants: ((functions segmentation) or (brain segmentation)) methods discourse a ant*.