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