Perhaps you should try some spelling variations:
thanh trung » thanh tung
toc trieu » toc thieu, hoc thieu, tan trieu
dung cong » dung trong
hoc tieu » hoc thieu, hoc dieu, hoc sieu
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 lap » phan dau
va dung » van dung, va duong, vat dung

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc trieu) OR (hoc tieu)) tinh - thanh trung va dung cong dan ((than cap) OR (phan lap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc trieu) OR (hoc tieu)) tinh - thanh trung va dung cong dan ((than cap) or (phan lap))~".
• Adding a wildcard symbol may retrieve word variants: ((toc trieu) OR (hoc tieu)) tinh - thanh trung va dung cong dan ((than cap) or (phan lap))*.