Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"len con phan slippers" » "len cong phan slippers", "len co phan slippers", "len bon phan slippers", "lon con phan slippers", "le con phan slippers", "len con phan slippery", "len con phan 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: (((("len con phan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("len con phan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( len con phan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("len con phan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.