Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc viet phi slippers" » "tuc viet phi slippers", "thuc viet phi slippers", "nuoc viet phi slippers", "duc vien phi slippers", "duc viet phien slippers", "duc viet phan slippers", "duc viet phi slippery", "duc viet phi 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 viet phi 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 viet phi slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc viet phi slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc viet phi slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.