Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban than hoa snippets" » "ban thanh hoa snippets", "van thanh hoa snippets", "ban hang hoa snippets", "ban than thoa snippets", "ban phan hoa 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: (((("ban than hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban than hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban than hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban than hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.