Perhaps you should try some spelling variations:
"trinh cau cham snippets" » "trinh chat cham snippets", "trinh chao cham snippets", "trinh tu cham snippets", "trinh ca cham snippets", "trinh cau chan snippets", "trinh cau chap snippets"
"dung cac code snippets" » "luong cac code snippets", "dung cho code snippets", "dung tai code snippets", "dung cac cong snippets", "dung cac co snippets", "dung cac che snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("trinh cau cham snippets") or ("dung cac code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh cau cham snippets") OR ("dung cac code snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( trinh cau cham snippets ) or ( dung cac code snippets ))) or ( locating bug code snippets ))*.