Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
trung cua » truong cua, trung tuan, trung cap
hoc hieu » hoc thieu, hoc hien, doc hieu
than cap » khan cap, thanh lap, thanh cac
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu manh - thanh trung cua ((nhung cong) or (dung trong)) bang ((than cap) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - thanh trung cua ((nhung cong) OR (dung trong)) bang ((than cap) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - thanh trung cua ((nhung cong) or (dung trong)) bang ((than cap) or (phan cau))*.