Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi cao anh slippers" » "do cao anh slippers", "doi co anh slippers", "doc cao anh slippers", "doi cao dang slippers", "doi cao tang slippers", "doi cao bang slippers", "doi cao anh slippery", "doi cao 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.

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