Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ben hang hoa snippets" » "ban hang hoa snippets", "ben rang hoa snippets", "benh tang hoa snippets", "ben hang khoa snippets", "ben thanh hoa snippets", "ben hang va 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: (((("ben hang 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: (((("ben hang hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ben hang hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ben hang hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.