Perhaps you should try some spelling variations:
thanh tung » thanh cong
dung cong » dung trong
chi xanh » chi anh, chi danh, chi hanh
tung tac » tuong tac, ung tac, trung tam
tac dung » sach dung, xay dung, tin dung
cong van » cong vang, cong san, song van
van quan » van ban
quan tai » quan tri, quang tri, quan li
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 tung tac dung cong van quan tai~.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - thanh tung tac dung cong van quan tai*.