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