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