Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mat den cong snippets" » "mat dien cong snippets", "mat den dong snippets", "mat len cong snippets", "mat dan cong snippets", "man den cong snippets", "tat den cong 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: (((("mat den cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mat den cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mat den cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mat den cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.