Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huu chi hoa snippets" » "huu khi hoa snippets", "huu phi hoa snippets", "huu nghi hoa snippets", "huu chi khoa snippets", "huu chi hoat snippets", "huu thi 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: (((("huu chi 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: (((("huu chi hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huu chi hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu chi hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.