Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua cao su slippers" » "lua dao su slippers", "lua cau su slippers", "lua gao su slippers", "lua cao su slippery", "lua cao su grippers"
"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 cao su slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lua cao su slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua cao su slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua cao su slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.