Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam duoi doi snippets" » "nam duoc doi snippets", "nam doi doi snippets", "dam duoi doi snippets", "nam duong doi snippets", "nam nguoi doi snippets", "nam cuoc doi 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 duoi doi 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 duoi doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam duoi doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam duoi doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.