Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mat danh hoa snippets" » "mat dan hoa snippets", "luat danh hoa snippets", "nhat danh hoa snippets", "mat thanh hoa snippets", "mat khanh hoa snippets", "mat nganh 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: (((("mat danh 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: (((("mat danh hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mat danh hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mat danh hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.