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