Perhaps you should try some spelling variations:
thanh trung » thanh tung
chi xanh » chi anh, chi danh, chi hanh
tam dung » tam duong, tan dung, am dung
tac dung » sach dung, xay dung, tin dung
cong san » cong tac
san tuan » van tuan, san luan, san quan
tuan tai » toan tai, quan tai, tan tai
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - thanh trung ((tam dung) OR (tac dung)) cong san tuan tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - thanh trung ((tam dung) OR (tac dung)) cong san tuan tai*".