Perhaps you should try some spelling variations:
creating documentation » generating documentation, teaching documentation, processing documentation
documentation methods » segmentation methods
prediction classical » reduction classical, predicative classical, deduction classical
methods prediction » method prediction, methods production, methods predicting
classical inter » classical integer, classical integral, classical inverse

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• Performing a fuzzy search may retrieve terms with similar spellings: creating documentation methods prediction classical inter~.
• Adding a wildcard symbol may retrieve word variants: creating documentation methods prediction classical inter*.