Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sau benh da snippets" » "san benh da snippets", "phau benh da snippets", "tai benh da snippets", "sau benh dai snippets", "sau benh va snippets", "sau benh do 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: (((("sau benh da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sau benh da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sau benh da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sau benh da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.