Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran tu cai snippets" » "tran tuan cai snippets", "tran thuy cai snippets", "tran thi cai snippets", "tran tu cac snippets", "tran tu bai snippets", "tran tu can 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: (((("tran tu cai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran tu cai snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran tu cai snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran tu cai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.