Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mac tu hoa snippets" » "tac tu hoa snippets", "cac tu hoa snippets", "bac tu hoa snippets", "mac tu khoa snippets", "mac tu hoai snippets", "mac tuy 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: (((("mac tu 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: (((("mac tu hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mac tu hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mac tu hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.