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