Perhaps you should try some spelling variations:
thanh tung » thanh cong
theo tiem » theo tieu, them niem, thep tieu
tiem hanh » tien hanh, tim hanh, tien thanh
bang cong » dang cong, bang song, hang cong
cua bang » chua bang, cua ban, cua dang
dan than » ban than, van than, dan toan
dan chan » dan gian, dan ca, van 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: theo tiem hanh - ((thanh trung) OR (thanh tung)) cua bang cong ((dan than) OR (dan chan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tiem hanh - ((thanh trung) OR (thanh tung)) cua bang cong ((dan than) or (dan chan)) cau~".
• Adding a wildcard symbol may retrieve word variants: theo tiem hanh - ((thanh trung) OR (thanh tung)) cua bang cong ((dan than) or (dan chan)) cau*.