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