Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toan tran co snippets" » "thoan tran co snippets", "tan tran co snippets", "hoan tran co snippets", "toan tranh co snippets", "toan toan co snippets", "toan tran cong 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 tran co 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 tran co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan tran co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan tran co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.