Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"co don trac slippers" » "co dien trac slippers", "co toan trac slippers", "co hoi trac slippers", "co dong trac slippers", "co dan trac slippers", "co dot trac slippers", "co don trac slippery", "co don trac 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: (((("co don trac slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("co don trac slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( co don trac slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("co don trac slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.