Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"vung van du snippets" » "vung van code snippets", "vung va du snippets", "dung van du snippets", "vung ven du snippets", "vung van duy snippets", "vung van dau snippets", "vung van de 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 ("vung van du snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("vung van du snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( vung van du snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("vung van du snippets"))) or ("locating bug core snippets"))*.