Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doan tu du snippets" » "doan thu du snippets", "dan tu du snippets", "toan tu du snippets", "doan tu duy snippets", "doan tu dau snippets", "doan tru du 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: (((("doan tu du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doan tu du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doan tu du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doan tu du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.