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