Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"lua doc sach snippets" » "lua hoc sach snippets", "lua toc sach snippets", "lua nuoc sach snippets", "lua doi sach snippets", "luan dac sach 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 doc sach 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 doc sach snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( lua doc sach snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua doc sach snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.