Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"nang ban cau snippets" » "hang ban cau snippets", "nang quan cau snippets", "nang sang cau snippets", "nang bang cau snippets", "nang ban can snippets", "nang van cau snippets"
"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: (((("nang ban cau snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nang ban cau snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang ban cau snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang ban cau snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.