Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc hoan dan slippers" » "duc hoang dan slippers", "duc hoa dan slippers", "duc toan dan slippers", "duc hoang dang slippers", "duc khoan danh slippers", "duc hoan dan slippery", "duc hoan 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 hoan 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 hoan dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc hoan dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc hoan dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.