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