Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua voi cong snippets" » "lua noi cong snippets", "lua moi cong snippets", "lua tai cong snippets", "lua doi cong snippets", "dua voi cong snippets", "sua voi cong 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 voi cong 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 voi cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua voi cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua voi cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.