Perhaps you should try some spelling variations:
"tran hoan dat slippers" » "tran hoang dat slippers", "tuan hoan dat slippers", "tran doan dat slippers", "tran hoa dat slippers", "tran hon dat slippers", "tran hoan dat slippery", "tran hoan dat 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: (((("tran hoan dat slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran hoan dat slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran hoan dat slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran hoan dat slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.