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