Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"viet voi su slippers" » "viec voi su slippers", "viet doi su slippers", "viet duoi su slippers", "viet voi suc slippers", "viet oi su slippers", "viet vi su slippers", "viet voi su slippery", "viet voi 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: (((("viet voi 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: (((("viet voi su slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( viet voi su slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("viet voi su slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.