Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua gao cau snippets" » "lua dao cau snippets", "luat giao cau snippets", "luat bao cau snippets", "lua tao cau snippets", "lua giay cau 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 gao cau 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 gao cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua gao cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua gao cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.