Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
doi chieu » doc hieu, doi chi, ho chieu
trung cua » truong cua, trung cap, dung cua
dang cong » dung cong
van thanh » ban thanh, van tuan
cong van » cong vang, cong san, song van
thanh tu » hanh tu, nhanh tu, thanh tung

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc thieu) OR (doi chieu)) xanh - thanh ((trung cua) OR (trung tuan)) dang cong van thanh tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc thieu) or (doi chieu)) xanh - thanh ((trung cua) OR (trung tuan)) dang cong van thanh tu~".
• Adding a wildcard symbol may retrieve word variants: ((toc thieu) or (doi chieu)) xanh - thanh ((trung cua) OR (trung tuan)) dang cong van thanh tu*.