Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc te nghe snippets" » "luc ve nghe snippets", "luc re nghe snippets", "luc tu nghe snippets", "luc le nghe snippets", "luc tiem nghe 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: (((("luc te nghe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc te nghe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc te nghe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc te nghe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.