Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung phan cac snippets" » "dung phan code snippets", "dung nhan cac snippets", "dung luan cac snippets", "dung ha cac snippets", "dung nhan cach snippets", "dung phan dau snippets", "dung phan lap snippets"
"dang java java snippets" » "dang va java 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: (((("dang java java snippets") or ("dung phan cac snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang java java snippets") OR ("dung phan cac snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dang java java snippets ) or ( dung phan cac snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang java java snippets") or ("dung phan cac snippets"))) or ("locating bug core snippets"))*.