Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc dung dat slippers" » "duc hung dat slippers", "duc cuong dat slippers", "duc phung dat slippers", "duc dung va slippers", "duc dung tai slippers", "duc dung dat slippery", "duc dung dat grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("duc dung dat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc dung dat slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc dung dat slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc dung dat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.