Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vat cua dan slippers" » "mat cua dan slippers", "bat cua dan slippers", "dat cua dan slippers", "vat cua dang slippers", "vat cua ban slippers", "vat ca dan slippers", "vat cua dan slippery", "vat cua dan grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("vat cua dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vat cua dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vat cua dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vat cua dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.