Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao noi cho snippets" » "dau noi cho snippets", "dao voi cho snippets", "nao noi cho snippets", "dao hoi cho snippets", "dao moi cho snippets", "dao noi co 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 cho 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 cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao noi cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao noi cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.