Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngu cach ben slippers" » "ngu cac ben slippers", "ngu sach ben slippers", "ngu anh ben slippers", "ngu cach bien slippers", "ngu bach benh slippers", "ngu mach benh slippers", "ngu cach ben slippery", "ngu cach ben 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: (((("ngu cach ben slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ngu cach ben slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngu cach ben slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngu cach ben slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.