Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dau noi deu snippets" » "cau noi deu snippets", "dang noi deu snippets", "dau cuoi deu snippets", "dau doi deu snippets", "dau noi dau snippets", "dau noi de 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: (((("dau noi deu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dau noi deu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dau noi deu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dau noi deu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.