Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam su choi snippets" » "nam tu choi snippets", "nam san choi snippets", "nam suu choi snippets", "nam sau choi snippets", "nam so choi 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: (((("nam su choi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nam su choi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam su choi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam su choi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.