Perhaps you should try some spelling variations:
existing methods » testing methods (Expand Search), denoising methods (Expand Search), casting method (Expand Search)
cleaving methods » learning methods (Expand Search), annealing methods (Expand Search), learning method (Expand Search)
pruning methods » tuning method (Expand Search), learning methods (Expand Search), freezing methods (Expand Search)
drying methods » learning methods (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: "((((((existing methods) OR (drying methods))) OR (cleaving methods))) OR (pruning methods))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "\"((((((existing methods) OR (drying methods))) OR (cleaving methods))) OR (pruning methods))".
• Removing quotes may allow a broader search: ((((((existing methods) OR (drying methods))) OR (cleaving methods))) OR (pruning methods)).
• Adding a wildcard symbol may retrieve word variants: "((((((existing methods) OR (drying methods))) OR (cleaving methods))) OR (pruning methods))*.