Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
truong cua » truong ca, truong quan, truong cao
nhung cong » dung cong, thong cong, hang cong
doi trieu » dong trieu, doi chieu, doi trinh
cong tac » cong ty
tac can » tac van, tac quan, tac vang
can cau » van cau, ban cau, ca cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi trieu tinh - hanh ((trung tuan) or (truong cua)) nhung cong tac can cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi trieu tinh - hanh ((trung tuan) OR (truong cua)) nhung cong tac can cau.
• Adding a wildcard symbol may retrieve word variants: doi trieu tinh - hanh ((trung tuan) or (truong cua)) nhung cong tac can cau*.