Perhaps you should try some spelling variations:
thanh tung » thanh cong
bien tinh » bi tinh, yen tinh, diep tinh
hoc bien » hoc hien, hoc vien, hoa bien
tung cua » trung cua, tuong cua, dung cua
cua dang » cua cong, cua ban
cong ban » cong bang, cong san, cong dan
cong tan » cong tac, cong san, cong thanh
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 bien tinh - thanh tung cua dang ((cong ban) OR (cong tan)) toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc bien tinh - thanh tung cua dang ((cong ban) OR (cong tan)) toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc bien tinh - thanh tung cua dang ((cong ban) OR (cong tan)) toan cao*.