Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"wei pan noi snippets" » "wei tan noi snippets", "wei tang noi snippets", "wei fang noi snippets", "wei van noi snippets", "wei ban noi snippets", "wei san noi 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: (((("wei pan noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("wei pan noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( wei pan noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("wei pan noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.