Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"wei san chi snippets" » "wei tan chi snippets", "wei pan chi snippets", "wei sun chi snippets", "wei van chi snippets", "wei luan chi snippets", "wei toan chi 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 san chi 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 san chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( wei san chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("wei san chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.