Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat do anh slippers" » "nhat so anh slippers", "nhat de anh slippers", "hat do anh slippers", "nhat do sanh slippers", "nhat do danh slippers", "nhat do anh slippery", "nhat do anh 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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhat do anh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( nhat do anh slippers ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("nhat do anh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.