Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mat cho son snippets" » "dat cho son snippets", "mai cho son snippets", "mat co son snippets", "mat cho lon snippets", "mat cao son snippets", "mat cho san 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 cho son 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 cho son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mat cho son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mat cho son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.