Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam da choi snippets" » "nam dam choi snippets", "nam do choi snippets", "nam bai choi snippets", "nam dan choi snippets", "nam a choi snippets", "nam va 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 da 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 da choi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam da choi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam da choi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.