Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung cau dieu slippers" » "dung chau dieu slippers", "dung cu dieu slippers", "dung cac dieu slippers", "dung cuu dieu slippers", "dung va dieu slippers", "dung cua dieu slippers", "dung cau dieu slippery", "dung cau dieu grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 cau dieu slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cau dieu slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung cau dieu slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cau dieu slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.