Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan co vu slippers" » "phan bo vu slippers", "phan cong vu slippers", "phan cac vu slippers", "phan co tu slippers", "phan co va slippers", "phan lo vu slippers", "phan co vu slippery", "phan co vu 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 co vu 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 co vu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan co vu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan co vu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.