Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoc hay dot snippets" » "hoc hay dot snippets", "khoe thay dot snippets", "hoc hai dot snippets", "khoc nhay dot snippets", "khoc thay doi snippets", "khoc nhan dot 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: (((("khoc hay dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoc hay dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoc hay dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoc hay dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.