Perhaps you should try some spelling variations:
cleaving methods » learning methods (Expand Search), annealing methods (Expand Search), learning method (Expand Search)
freezing methods » drying methods (Expand Search), riveting methods (Expand Search), testing methods (Expand Search)
pruning methods » drying methods (Expand Search), tuning method (Expand Search), learning methods (Expand Search)
mining method » making method (Expand Search), tuning method (Expand Search), imaging method (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: "((cleaving methods) OR (((freezing methods) OR (((mining method) OR (pruning methods))))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "\"((cleaving methods) OR (((freezing methods) OR (((mining method) OR (pruning methods))))))".
• Removing quotes may allow a broader search: ((cleaving methods) OR (((freezing methods) OR (((mining method) OR (pruning methods)))))).
• Adding a wildcard symbol may retrieve word variants: "((cleaving methods) OR (((freezing methods) OR (((mining method) OR (pruning methods))))))*.