Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
trung tuan » trung thanh, trung tam, tran tuan
tuan thong » toan thong, tran thong, tuan phong
thong cong » trong cong, tong cong, thong thong
doi chieu » doc hieu, doi chi, ho chieu
cong thai » cong hai, hong thai, cong thanh
thai phan » tai phan, than phan, hai phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (doi chieu)) tinh - thanh trung tuan thong cong thai phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (doi chieu)) tinh - thanh trung tuan thong cong thai phan tu.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (doi chieu)) tinh - thanh trung tuan thong cong thai phan tu*.