Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"su toa tuan snippets" » "su ta tuan snippets", "su tran tuan snippets", "su toan quan snippets", "su hoa tuan snippets", "su toa tuan slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("su toa tuan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("su toa tuan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( su toa tuan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("su toa tuan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.