Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
chieu sach » chinh sach, chiet tach, chieu sang
chang cong » hang cong, chong cong, thanh cong
tranh chap » tranh cua, trinh chat
tinh dinh » trinh dinh, tinh ninh, tinh binh
tac tranh » tac thanh, tap tranh, sach tranh
ve chang » ve chong, ve chung, ve chuong
cong tac » cong ty
dinh ve » dinh ket, dinh van

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: hoc ((thieu xanh) OR (chieu sach)) - tinh dinh ve chang cong tac tranh chap~.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (chieu sach)) - tinh dinh ve chang cong tac tranh chap*.