Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trong » hanh trang, anh trong, hinh trong
hoc chieu » hoc thieu, ho chieu, hoc hien
trong cao » truong cao, trong cac, trong ca
cao nhung » cho nhung, cam nhung, cao chung
cong dan » cong san, cong tan, huong dan
cong tac » cong ty
toan tai » doanh tai, toan ban, toan cao
toan tap » toan ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - hanh trong cao nhung ((cong dan) OR (cong tac)) ((toan tai) OR (toan tap))~.
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - hanh trong cao nhung ((cong dan) or (cong tac)) ((toan tai) or (toan tap))*.