Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tac » trung tam, trong tac, trung tai
trong van » trong cac
chi xanh » chi anh, chi danh, chi hanh
tac dung » sach dung, xay dung, tin dung
van tang » van thang, van trang, van nang
tang tai » hang tai, dung tai, sang tao
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 tac dung trong van tang tai~.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - thanh trung tac dung trong van tang tai*.