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