Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"diu danh du snippets" » "dieu danh du snippets", "dia danh du snippets", "diu dan du snippets", "diu danh dau snippets", "diu danh tu snippets", "diu dinh 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: (((("diu danh 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: (((("diu danh du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( diu danh du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("diu danh du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.