Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tac » trung tam, trong tac, trung tai
trong van » trong cac
khi xanh » khia canh, thi hanh, thi anh
tac dung » sach dung, xay dung, tin dung
van quan » van ban
quan tai » quan tri, quang tri, quan li

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi khi xanh - thanh trung tac dung trong van quan tai~.
• Adding a wildcard symbol may retrieve word variants: doi khi xanh - thanh trung tac dung trong van quan tai*.