Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"day duc van snippets" » "dao duc van snippets", "day du van snippets", "day doc van snippets", "day duc va snippets", "day duc tan snippets", "day duc manh snippets", "day duc van slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("day duc van snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("day duc van snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( day duc van snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("day duc van snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.