Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong viet ky slippers" » "cong viet ky slippers", "dung viet ky slippers", "dang viet ky slippers", "dong viet my slippers", "dong viet ty slippers", "dong viet duy slippers", "dong viet ky slippery", "dong viet ky 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: (((("dong viet ky slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong viet ky slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong viet ky slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong viet ky slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.