Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong tap » cuong tap, cong tan, tong tap
cong tac » cong ty
toan tap » toan ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sang)) - thanh trung cua nhung ((cong tap) OR (cong tac)) toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) OR (chieu sang)) - thanh trung cua nhung ((cong tap) or (cong tac)) toan tap~".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) OR (chieu sang)) - thanh trung cua nhung ((cong tap) or (cong tac)) toan tap*.