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