Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"danh so hoa snippets" » "dinh so hoa snippets", "anh so hoa snippets", "dan so hoa snippets", "danh do hoa snippets", "danh so ha 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: (((("danh so 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: (((("danh so hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( danh so hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh so hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.