Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
trung tuan » trung thanh, trung tam, tran tuan
hoc chieu » hoc thieu, ho chieu, hoc hien
trung cua » truong cua, trung cap, dung cua
dong cong » duong cong, dung cong, dang cong
cong dan » cong san, cong tan, huong dan
toan ban » van 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 ((trung cua) OR (trung tuan)) dong cong dan ((toan tap) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu tinh - hanh ((trung cua) OR (trung tuan)) dong cong dan ((toan tap) or (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - hanh ((trung cua) OR (trung tuan)) dong cong dan ((toan tap) or (toan ban))*.