Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"can benh hoa snippets" » "cac benh hoa snippets", "san benh hoa snippets", "con benh hoa snippets", "can benh khoa snippets", "can benh hoc snippets", "can benh ho 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: (((("can benh 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: (((("can benh hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( can benh hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("can benh hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.