Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"len co cach snippets" » "len co cac snippets", "len co sach snippets", "len ca cach snippets", "len con cach snippets", "lien co cach snippets", "nen co cach snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("len co cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("len co cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( len co cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("len co cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.