Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
dung cua » dung luan, dung cho
cong tac » cong ty
tac hoa » tap hoa, tac ha, lac hoa
hoa cac » hoa chat, chon cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu xanh) or (chinh sach)) - hanh ((dung cua) or (trung tuan)) nhung cong tac hoa cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chinh sach)) - hanh ((dung cua) OR (trung tuan)) nhung cong tac hoa cac.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chinh sach)) - hanh ((dung cua) or (trung tuan)) nhung cong tac hoa cac*.