Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam via cua snippets" » "nam va cua snippets", "nam giao cua snippets", "nam giai cua snippets", "nam gia cua snippets", "nam gian cua snippets", "nam giau cua 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: (((("nam via cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nam via cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam via cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam via cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.