Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan nam noc snippets" » "van nam noc snippets", "dong nam noc snippets", "dinh nam noc snippets", "dan nam moc snippets", "dan nam noi snippets", "dan nam soc 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: (((("dan nam noc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan nam noc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan nam noc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan nam noc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.