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