Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"anh cong cau snippets" » "hanh cong cau snippets", "anh dong cau snippets", "thanh cong cau snippets", "anh cong cu snippets", "anh cong chuc snippets", "anh thong 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: (((("anh cong 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: (((("anh cong cau snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh cong cau snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh cong cau snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.