Perhaps you should try some spelling variations:
thanh trung » thanh tung
thien hach » thien thanh, hien hanh
trung tuan » trung thanh, trung tam, tran tuan
hoc thien » hoc hien, hoc thieu, hoc thiet
tuan dong » tuan duong, quan dong, luan dong
dong cong » duong cong, dung cong, dang cong
cong tan » cong tac, cong san, cong thanh
phan cau » phan cac, phan tu, phan lap
phan dau » phan tu, hang dau
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien hach - thanh trung tuan dong cong tan ((((phan cau) or (phan dau))) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien hach - thanh trung tuan dong cong tan ((((phan cau) OR (phan dau))) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - thanh trung tuan dong cong tan ((((phan cau) or (phan dau))) or (than cap))*.