Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam lam cung snippets" » "nam lam dung snippets", "nam lam nhung snippets", "nam lam quang snippets", "nam nam cung snippets", "cam lam cung snippets", "lam lam cung 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 lam cung 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 lam cung snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam lam cung snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam lam cung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.