Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua so viet slippers" » "lua hoc viet slippers", "luat so viet slippers", "cua so viet slippers", "lua so viet slippery", "lua so viet 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 so viet 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 so viet slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua so viet slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua so viet slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.