Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
trung va » truong va, trang va, trung ha
cong tac » cong ty
tac khan » tac nhan, cac khoan, tac chuan
khan cap » khan ap, than cap, khoan cam

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)) - thanh trung va nhung cong tac khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chinh sach)) - thanh trung va nhung cong tac khan cap.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chinh sach)) - thanh trung va nhung cong tac khan cap*.