Perhaps you should try some spelling variations:
thanh trung » thanh tung
tieu xanh » tieu danh, chieu xanh, dieu hanh
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
duong dan » duong dang, duong van, dung dan
nhuan ban » nhat ban, thuat ban, nhuan tai
toan ban » van ban

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 cua thong ((duong dan) OR (huong dan)) ((nhuan ban) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - thanh trung cua thong ((duong dan) OR (huong dan)) ((nhuan ban) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - thanh trung cua thong ((duong dan) OR (huong dan)) ((nhuan ban) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - thanh trung cua thong ((duong dan) OR (huong dan)) ((nhuan ban) or (toan ban))*.