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