Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban may hoa snippets" » "bang may hoa snippets", "ban ma hoa snippets", "ban lay hoa snippets", "ban may khoa snippets", "ban day 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 may 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 may hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban may hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban may hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.