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