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