Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhung van vu slippers" » "phung van vu slippers", "nhung bai vu slippers", "nhung cau vu slippers", "nhung van du slippers", "nhung van vu slippery", "nhung van 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: (((("nhung van 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: (((("nhung van vu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung van vu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung van vu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.