Perhaps you should try some spelling variations:
thanh trung » thanh tung
hanh tranh » canh tranh, hanh trinh, hanh trang
kieu tinh » lieu tinh, trieu tinh, diep tinh
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
toan ban » van ban
ho kieu » ho lieu, so kieu, thi kieu

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: ho kieu tinh - ((hanh tranh) OR (thanh trung)) cua dung cong dan ((toan ban) OR (toan tap))~.
• Adding a wildcard symbol may retrieve word variants: ho kieu tinh - ((hanh tranh) or (thanh trung)) cua dung cong dan ((toan ban) or (toan tap))*.