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