Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tuan » trung thanh, trung tam, tran tuan
tieu xanh » tieu danh, chieu xanh, dieu hanh
tuan hang » tuan hoang, tuan bang, tuan dang
cong vang » cong quang, cong ngang, cong san
cong lang » cong luong, cong quang, cong ngang
cong tan » cong tac, cong san, cong thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - thanh trung tuan hang ((cong tan) or (((cong vang) OR (cong lang)))) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - thanh trung tuan hang ((cong tan) OR (((cong vang) OR (cong lang)))) van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - thanh trung tuan hang ((cong tan) or (((cong vang) OR (cong lang)))) van ban".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - thanh trung tuan hang ((cong tan) or (((cong vang) OR (cong lang)))) van ban*.