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