Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung cau sinh slippers" » "dung chau sinh slippers", "dung cu sinh slippers", "dung cac sinh slippers", "dung cuu sinh slippers", "dung cau vinh slippers", "dung cap sinh slippers", "dung cau sinh slippery", "dung cau sinh 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 sinh 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 sinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung cau sinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cau sinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.