Perhaps you should try some spelling variations:
statistical independence » statistical inference, statistical evidence
statistical inferences » statistical inference, statistical convergence
statistical survey » statistical society, statistical shape, statistical study

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((statistical survey) OR (((statistical inferences) OR (statistical independence)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((statistical survey) or (((statistical inferences) OR (statistical independence))))".
• Adding a wildcard symbol may retrieve word variants: ((statistical survey) or (((statistical inferences) OR (statistical independence))))*.