Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua huu chau snippets" » "lua huu han snippets", "lua quy chau snippets", "lua huu nhu snippets", "luan huu chau snippets", "luat huu chau 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: (((("lua huu chau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lua huu chau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua huu chau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua huu chau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.