Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tac » trung tam, trong tac, trung tai
dung cong » dung trong
cong lang » cong vang, cong luong, cong quang
lang quan » nang quan, tang quan, hang quan
chi xanh » chi anh, chi danh, chi hanh
tac dung » sach dung, xay dung, tin dung
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 trung tac dung cong lang quan tai~.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - thanh trung tac dung cong lang quan tai*.