Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nang viet ly slippers" » "anh viet ly slippers", "nang tiet ly slippers", "nang viet my slippers", "nang viet ty slippers", "nang viet ly slippery", "nang viet ly 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: (((("nang viet ly slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nang viet ly slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang viet ly slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang viet ly slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.