Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"da duc phan slippers" » "da dung phan slippers", "da duc thang slippers", "da duc phung slippers", "dao duc phan slippers", "da duoc phan slippers", "do duc phan slippers", "da duc phan slippery", "da duc phan grippers"

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: (((("da duc phan slippers") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("da duc phan slippers") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( da duc phan slippers ) or ( python using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("da duc phan slippers") or ("python using java snippets"))) or ("locating bugs code snippets"))*.