Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tuan » trung thanh, trung tam, tran tuan
tuan khong » toan khong, tuan phong, thuan phong
cang thang » cong thanh
dang thanh » dong thanh, dang hanh, hoang thanh
hien xanh » hien hanh, hien nhanh, chieu xanh
cong tac » cong ty

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

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