Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nang duc dan slippers" » "nang luc dan slippers", "nang doc dan slippers", "nang du dan slippers", "nang duoc dan slippers", "nang duc tan slippers", "nang duc dai slippers", "nang duc dan slippery", "nang duc 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: (((("nang duc 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: (((("nang duc dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang duc dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang duc dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.