Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi bai trac slippers" » "doi hai trac slippers", "doi bai tap slippers", "doi bai toan slippers", "hoi bai trac slippers", "doi ban trac slippers", "doi boi trac slippers", "doi bai trac slippery", "doi bai 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: (((("doi bai 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: (((("doi bai trac slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi bai trac slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi bai trac slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.