Perhaps you should try some spelling variations:
functions computation » function computation, functions composition, function composition
fast segmentation » based segmentation, text segmentation, set segmentation
method discursive » methods dispersive, methods discourse
discursive 2.3 » discursive 1.4.3, discursive _, discursive de
2.3 agent » 2.3 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 computation) or (fast segmentation)) method discursive 2.3 agent~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((functions computation) OR (fast segmentation)) method discursive 2.3 agent.
• Adding a wildcard symbol may retrieve word variants: ((functions computation) or (fast segmentation)) method discursive 2.3 agent*.