Perhaps you should try some spelling variations:
"trinh cau doanh snippets" » "trinh chat doanh snippets", "trinh chao doanh snippets", "trinh tu doanh snippets", "trinh cac doanh snippets", "trinh cau danh snippets", "trinh cao doanh snippets", "trinh cau doanh slippers"
"luong cac code snippets" » "luong cuoc code snippets", "luong va code snippets", "luong tai code snippets", "luong cac cong snippets", "luong cac co snippets", "luong cac che snippets", "luong cac code slippers"
"locating bug code snippets" » "locating bug code slippers", "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 doanh snippets") or ("luong cac code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh cau doanh snippets") OR ("luong cac code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh cau doanh snippets ) or ( luong cac code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh cau doanh snippets") or ("luong cac code snippets"))) or ("locating bug code snippets"))*.