Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khac sat hon snippets" » "khao sat hon snippets", "khach san hon snippets", "khac hau hon snippets", "khac sat hoi snippets", "khac sat huong snippets", "khac sat nhan 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: (((("khac sat hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khac sat hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khac sat hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khac sat hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.