Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan loai mo snippets" » "phan loai mo snippets", "nhan tai mo snippets", "nhan loai mot snippets", "nhan loai bo snippets", "nhan loai 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: (((("nhan loai mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan loai mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan loai mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan loai mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.