Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van du duoc slippers" » "van da duoc slippers", "van do duoc slippers", "van du cuoc slippers", "van duy duoc slippers", "van dau duoc slippers", "van de duoc slippers", "van du duoc slippery", "van du duoc 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: (((("van du duoc slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van du duoc slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van du duoc slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van du duoc slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.