Perhaps you should try some spelling variations:
trung thanh » truong thanh
hoc chinh » hoan chinh, hoc sinh, hoc kinh
trung cua » truong cua, trung tuan, trung cap
hang cong » dang cong, hang nong, bang cong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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 chinh sach - manh ((trung cua) or (trung thanh)) hang cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chinh sach - manh ((trung cua) OR (trung thanh)) hang cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc chinh sach - manh ((trung cua) or (trung thanh)) hang cong dan toan cao*.