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