Perhaps you should try some spelling variations:
"long than trinh slippers" » "long thanh trinh slippers", "long thuat trinh slippers", "long trang trinh slippers", "song than trinh slippers", "luong thanh trinh slippers", "dong thanh trinh slippers", "long than trinh slippery", "long than trinh grippers"
"dung java java snippets" » "dung va java snippets"
"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: (((("dung java java snippets") or ("long than trinh slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("long than trinh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( long than trinh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("long than trinh slippers"))) or ("locating bug code snippets"))*.