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