It contains messages from an ongoing discussion of origami. Be as specific as possible in your search. You can restrict your search by year and month, and by maximum number of messages to be returned. In building the expression you may use normal words and the special words AND, OR, and NOT, and also parentheses. To separate two 'words' you should use at least one blank.
Standard search finds given words also as parts of words in messages.
To search whole words only, surround them with blanks and quotes. You may also use this to search for phrases like 'Akira Yoshizawa' Maximum keyword length is 20 characters.