Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dai cong cac snippets" » "dai cuong cac snippets", "tai cong cac snippets", "doi cong cac snippets", "dai cong tac snippets", "dai cong cau 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: (((("dai cong cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dai cong cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dai cong cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dai cong cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.