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