Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhiet tach » chiet tach
cua thuong » cua truong, cua phuong, ca thuong
hoc nhiet » hoc thiet, hoc nghien, hoc hien
trung cua » truong cua, trung tuan, trung cap
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc nhiet tach - thanh trung cua thuong ((cong dan) OR (cong tan)) toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc nhiet tach - thanh trung cua thuong ((cong dan) OR (cong tan)) toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc nhiet tach - thanh trung cua thuong ((cong dan) OR (cong tan)) toan cao*.