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