Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan do sach slippers" » "phan bo sach slippers", "phan co sach slippers", "phan mo sach slippers", "phan doc sach slippers", "phan do sanh slippers", "phan do sach slippery", "phan do sach 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 do sach 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 do sach slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan do sach slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan do sach slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.