Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"tuan anh cac snippets" » "tuan hanh cac snippets", "tuan anh ca snippets", "tuan anh cam snippets", "quan anh cac snippets", "tran anh cac snippets", "luan anh cac 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: (((("tuan anh cac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tuan anh cac snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tuan anh cac snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tuan anh cac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.