Perhaps you should try some spelling variations:
probability mapping » probability sampling, probability matching, probability shaping
probability ranking » probabilistic ranking, probability sampling, probability learning
statistical annex » statistical appendix
i statistical » ii statistical
fullana i » fullea i

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• The words AND, OR and NOT may confuse the search; try adding quotes: "fullana i statistical annex ((probability mapping) OR (probability ranking))".
• Adding a wildcard symbol may retrieve word variants: fullana i statistical annex ((probability mapping) OR (probability ranking))*.