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