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