Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran danh cay snippets" » "tran danh code snippets", "tran dinh cay snippets", "tran manh cay snippets", "tran dang cay snippets", "tran danh ca snippets", "tran danh cau snippets", "tran xanh cay snippets"
"dung java java snippets" » "dung 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: (((("tran danh cay snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran danh cay snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tran danh cay snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran danh cay snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.