Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khac sat toi snippets" » "khao sat toi snippets", "khach san toi snippets", "khac hau toi snippets", "khac sat thi snippets", "khac sat hoi snippets", "khac sat tai 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 toi 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 toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khac sat toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khac sat toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.