Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau noi deu snippets" » "cau hoi deu snippets", "cau doi deu snippets", "cach noi deu snippets", "cau noi dau snippets", "cau 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: (((("cau 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: (((("cau noi deu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau noi deu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau noi deu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.