Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"danh chon tu slippers" » "danh cho tu slippers", "dinh chon tu slippers", "danh nhan tu slippers", "danh con tu slippers", "danh choi tu slippers", "danh chon tu slippery", "danh chon tu 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: (((("danh chon tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh chon tu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( danh chon tu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh chon tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.