Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"den ca long snippets" » "den cau long snippets", "den ha long snippets", "den ca ong snippets", "den cac long snippets", "den cam long snippets", "dien ca long 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: (((("den ca long snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("den ca long snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( den ca long snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("den ca long snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.