Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
toc thien » toc thieu, ton thien, duoc thien
thien anh » thien danh, tien anh, thien thanh
bang cong » dang cong, bang song, hang cong
cua bang » chua bang, cua ban, cua dang
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thien anh - ((hanh trinh) or (canh tranh)) cua bang cong tac than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thien anh - ((hanh trinh) OR (canh tranh)) cua bang cong tac than cau.
• Adding a wildcard symbol may retrieve word variants: toc thien anh - ((hanh trinh) or (canh tranh)) cua bang cong tac than cau*.