Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hao van trac slippers" » "hao va trac slippers", "hao van thac slippers", "hao van tra slippers", "dao van trac slippers", "ho van trac slippers", "cao van trac slippers", "hao van trac slippery", "hao van trac 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: (((("hao van trac slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hao van trac slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hao van trac slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao van trac slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.