Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc lan anh slippers" » "luc luan anh slippers", "luc lam anh slippers", "duc lan anh slippers", "luc van anh slippers", "luc tuan anh slippers", "luc lan anh slippery", "luc lan 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: (((("luc lan anh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( luc lan anh slippers ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("luc lan anh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.