Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoi san chi snippets" » "khoi can chi snippets", "khai sang chi snippets", "khoi nang chi snippets", "khoi van chi snippets", "khoi luan chi snippets", "khoi toan chi 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: (((("khoi san chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoi san chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi san chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi san chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.