Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc phan vu slippers" » "hoc dan vu slippers", "hoc pho vu slippers", "hoc phan tu slippers", "hoc phan va slippers", "hoc pham vu slippers", "hoc phan vu slippery", "hoc phan vu 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: (((("hoc phan vu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc phan vu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc phan vu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc phan vu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.