Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lua van du snippets" » "lua van code snippets", "luan van du snippets", "luu van du snippets", "qua van du snippets", "lua van duy snippets", "lua van dau snippets", "lua 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: (((("lua van 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: (((("lua van du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( lua van du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua van du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.