Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
trung cua » truong cua, trung tuan, trung cap
cuong tap » luong tap, cong tac, luong tai
cong tap » cong tac, cong tan, tong tap
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 chieu xanh - thanh trung cua cong ((cong tap) OR (cuong tap)) ((toan ban) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - thanh trung cua cong ((cong tap) OR (cuong tap)) ((toan ban) OR (toan tap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - thanh trung cua cong ((cong tap) OR (cuong tap)) ((toan ban) or (toan tap))*".