Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ket tap trac slippers" » "ket tap toan slippers", "ket nap trac slippers", "kiet tac trac slippers", "ket tap trac slippery", "ket tap trac grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("ket tap 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: (((("ket tap trac slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ket tap trac slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ket tap trac slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.