Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chat doc hoa snippets" » "chat hoc hoa snippets", "chau doc hoa snippets", "thuat doc hoa snippets", "chat do hoa snippets", "chat duc hoa 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: (((("chat doc 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: (((("chat doc hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chat doc hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chat doc hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.