Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao noi ke snippets" » "dau noi ke snippets", "dao voi ke snippets", "nao noi ke snippets", "dao noi ve snippets", "dao moi ke snippets", "dao noi de 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: (((("dao noi ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao noi ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao noi ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao noi ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.