Perhaps you should try some spelling variations:
thanh trung » thanh tung
trong tac » trong cac, tuong tac, trong tan
chi xanh » chi anh, chi danh, chi hanh
tam dung » tam duong, tac dung, tan dung
tac toan » tap toan, tam toan, hach toan
toan tai » toan tap, doanh tai, toan ban
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 trong tac toan tai~.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - thanh trung tam dung trong tac toan tai*.