Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngu danh dat slippers" » "ngu anh dat slippers", "ngu dan dat slippers", "ngan danh dat slippers", "ngu danh bat slippers", "ngu dinh dat slippers", "ngu danh dat slippery", "ngu danh dat 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 danh dat 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 danh dat slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngu danh dat slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngu danh dat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.