Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu tinh » trieu tinh, lieu tinh, chau tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
trung dap » trung cap, trung dai, trung dam
ung cong » dung cong, luong cong, duong cong
cong san » cong tac
toan tai » toan tap, doanh tai, toan cao
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: hoc chieu tinh - thanh trung dap ung cong san ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - thanh trung dap ung cong san ((toan tai) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - thanh trung dap ung cong san ((toan tai) or (toan ban))*.