Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong tuan cau snippets" » "cong tuan code snippets", "cong tan cau snippets", "cong luan cau snippets", "cong thanh cau snippets", "cong toan cau snippets", "cong quan cau snippets", "cong tuan cu 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: (((("cong tuan cau snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong tuan cau snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong tuan cau snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong tuan cau snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.