Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"noi da zhang snippets" » "noi na zhang snippets", "noi tao zhang snippets", "noi dai thang snippets", "nuoi da zhang snippets", "noi va zhang snippets", "toi da zhang snippets", "noi da zhang slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("noi da zhang snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("noi da zhang snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( noi da zhang snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("noi da zhang snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.