Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao toan chi snippets" » "bao toan chi snippets", "dan toan chi snippets", "dao hoan chi snippets", "dao toan cao snippets", "dao tai chi snippets", "dao luan 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: (((("dao toan 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: (((("dao toan chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao toan chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao toan chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.