Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung tai vu slippers" » "dung tai tu slippers", "dung thi vu slippers", "dung hai vu slippers", "dung tai vu slippery", "dung tai 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: (((("dung tai 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: (((("dung tai vu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung tai vu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung tai vu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.