Perhaps you should try some spelling variations:
truong thanh » truong trung, truong thpt, truong chung
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
cong tac » cong ty
tac tran » tan tran, tac trai, tac tren
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 sang - thanh ((trung tuan) or (truong thanh)) nhung cong tac tran tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sang - thanh ((trung tuan) OR (truong thanh)) nhung cong tac tran tap.
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - thanh ((trung tuan) or (truong thanh)) nhung cong tac tran tap*.