Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
che chinh » te chinh
trinh vat » trinh van, trinh luat, sinh vat
tong cong » trong cong, cong cong, dung cong
vat tong » vat trong, va tong, vat dong
van than » van thanh, van thang, van tuan
van toan » van tuan, van tan, van thanh
van chat » cao chat

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: che chinh sach - hanh trinh vat tong cong ((((van than) OR (van toan))) OR (van chat)) cau~.
• Adding a wildcard symbol may retrieve word variants: che chinh sach - hanh trinh vat tong cong ((((van than) or (van toan))) or (van chat)) cau*.