Perhaps you should try some spelling variations:
thanh trung » thanh tung
hien hanh » dieu hanh
dung cong » dung trong
tien anh » tieng anh, tien manh, dien anh
trung va » truong va, trang va, trung ha
cong dan » cong san, cong tan, huong dan
than cap » khan cap, thanh lap, thanh cac
phan cau » phan dau, phan cac, phan tu
va dung » van dung, va duong, vat dung

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien hanh) or (tien anh)) - thanh trung va dung cong dan ((than cap) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien hanh) OR (tien anh)) - thanh trung va dung cong dan ((than cap) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc ((hien hanh) or (tien anh)) - thanh trung va dung cong dan ((than cap) or (phan cau))*.