Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
hoc thiet » hoc thieu, hoc thuyet, hoc hien
trung cap » truong cao, trung tam
cap nhung » cam nhung, vap nhung, dap nhung
cong tuan » cong tan, cong luan, cong thanh
thanh cau » thanh chau, thanh mau, thanh ca
nhanh cau » nhanh cay, thanh chau, nhanh ha
ho chieu » theo chieu, hoc thieu, doi chieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thiet) or (ho chieu)) tach - thanh trung cap nhung cong tuan ((thanh cau) or (nhanh cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thiet) OR (ho chieu)) tach - thanh trung cap nhung cong tuan ((thanh cau) OR (nhanh cau)).
• Adding a wildcard symbol may retrieve word variants: ((hoc thiet) or (ho chieu)) tach - thanh trung cap nhung cong tuan ((thanh cau) or (nhanh cau))*.