Perhaps you should try some spelling variations:
truong quan » trong quan, thong quan, luong quan
chiet tach » chieu sach
hoc chiet » hoc thiet, hoc nhiet, hoc hien
trung cua » truong cua, trung tuan, trung cap
cong dan » cong san, cong tan, huong dan
dan can » dan chan, dan canh, dan ca
can ban » van ban, toan 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 chiet tach - hanh ((trung cua) or (truong quan)) trong cong dan can ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chiet tach - hanh ((trung cua) OR (truong quan)) trong cong dan can ban.
• Adding a wildcard symbol may retrieve word variants: hoc chiet tach - hanh ((trung cua) or (truong quan)) trong cong dan can ban*.