Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran loai ve snippets" » "tran hoai ve snippets", "phan loai ve snippets", "nhan loai ve snippets", "tran loai va snippets", "tran loai viet 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 loai ve 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 loai ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran loai ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran loai ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.