Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
cong duong » cuong duong, cong dong, con duong
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
duong tan » duong tuan, duong van, duong tai
tran tap » toan tap, tran tan, tran tuan

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 (hoc thieu)) xanh - thanh trung cua cong duong tan tran tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (hoc thieu)) xanh - thanh trung cua cong duong tan tran tap.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (hoc thieu)) xanh - thanh trung cua cong duong tan tran tap*.