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