Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
tranh chap » tranh cua, trinh chat
tinh dinh » trinh dinh, tinh ninh, tinh binh
tac tranh » tac thanh, tap tranh, sach tranh
cong tac » cong ty
dinh va » dinh van, dinh ve, tinh va

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (chieu xanh)) - tinh dinh va nhung cong tac tranh chap~".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (chieu xanh)) - tinh dinh va nhung cong tac tranh chap*.