Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu tinh » trieu tinh, lieu tinh, chau tinh
trung phat » truong phat, trong phat, trung phan
phat nhung » pha nhung, phai nhuong, thuat nhung
nhung cong » dung cong, thong cong, hang 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 ((chieu tinh) or (chinh sach)) - thanh trung phat nhung cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu tinh) OR (chinh sach)) - thanh trung phat nhung cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu tinh) or (chinh sach)) - thanh trung phat nhung cong dan toan cao*.