Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hau thi hoa snippets" » "khau thi hoa snippets", "cau thi hoa snippets", "ha thi hoa snippets", "hau thi hoan snippets", "hau thi ha snippets", "hau thi hong 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: (((("hau thi 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: (((("hau thi hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hau thi hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hau thi hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.