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