Perhaps you should try some spelling variations:
thanh trung » thanh tung
cong ngang » cong nhan, cong quang, cong lang
ngang quan » nang quan, nganh quan, tang quan
trung tac » trung tam, trong tac, trung tai
dung cong » dung trong
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 ngang quan tai~.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - thanh trung tac dung cong ngang quan tai*.