Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan ngu doc snippets" » "nhanh ngu doc snippets", "nhat ngu doc snippets", "han ngu doc snippets", "nhan ngu hoc snippets", "nhan ngo doc snippets", "nhan ngu coc 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 ngu doc 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 ngu doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan ngu doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan ngu doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.