Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sieu cao toi snippets" » "lieu cao toi snippets", "chieu cao toi snippets", "sieu am toi snippets", "sieu cao tuoi snippets", "sieu cao tai snippets", "sieu cao thi 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: (((("sieu cao toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sieu cao toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sieu cao toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sieu cao toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.