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
cong thanh » dong thanh, cong trinh, truong thanh
trung cap » truong cao, trung tam
cap thong » cap tong, chap thuong, phap thong
cong tan » cong tac, cong san, cong ty
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 cap thong ((cong tan) or (cong thanh)) ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - thanh trung cap thong ((cong tan) OR (cong thanh)) ((toan tap) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - thanh trung cap thong ((cong tan) or (cong thanh)) ((toan tap) or (toan ban))*.