Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua luoc can snippets" » "lua nuoc can snippets", "luat duoc can snippets", "luan nuoc can snippets", "lua luc canh snippets", "lua hoc can snippets", "lua luoc dai snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("lua luoc can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lua luoc can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua luoc can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua luoc can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.