Perhaps you should try some spelling variations:
"dung da nghe snippets" » "dung da code snippets", "dung dat nghe snippets", "dung dan nghe snippets", "dung dau nghe snippets", "dung day nghe snippets", "dung va nghe snippets", "dung dang nghe snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"

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

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