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