Perhaps you should try some spelling variations:
nhanh mang » nhanh lang, hanh mang, nhanh quang
cua thong » cua thuong, cua khong, cua tong
chu bang » thu bang, chuc nang, chu quang
thu hang » thi hang, thuc hanh, thu huong
mang cua » manh cua, dung cua, ban cua
cong tac » cong ty
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu bang) or (thu hang)) - nhanh mang cua thong ((cong san) OR (cong tac)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu bang) OR (thu hang)) - nhanh mang cua thong ((cong san) OR (cong tac)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu bang) or (thu hang)) - nhanh mang cua thong ((cong san) OR (cong tac)) toan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chu bang) or (thu hang)) - nhanh mang cua thong ((cong san) OR (cong tac)) toan cao*.