Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua cao sach slippers" » "lua co sach slippers", "lua ao sach slippers", "lua cau sach slippers", "lua dao sach slippers", "lua gao sach slippers", "lua cao sach slippery", "lua cao sach grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 cao sach slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lua cao sach slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua cao sach slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua cao sach slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.