Perhaps you should try some spelling variations:
"dung xuan tran slippers" » "duong xuan tran slippers", "dung luan tran slippers", "dung quan tran slippers", "dung xuan trang slippers", "dung xuan toan slippers", "dung xuan tan slippers", "dung xuan tran slippery", "dung xuan tran grippers"
"dung cac code snippets" » "luong cac code snippets", "dung cho code snippets", "dung tai code snippets", "dung cac cong snippets", "dung cac co snippets", "dung cac che snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung xuan tran slippers") or ("dung cac code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung xuan tran slippers") OR ("dung cac code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung xuan tran slippers ) or ( dung cac code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung xuan tran slippers") or ("dung cac code snippets"))) or ("locating bug code snippets"))*.