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 ninh » ninh binh
cua nhung » va nhung
tan tranh » tan tran, can tranh, lan tranh
ninh cua » sinh cua, tinh cua, dinh cua
cong tan » cong tac, cong san, cong thanh

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 ninh cua nhung cong tan tranh chap~".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (chieu xanh)) - tinh ninh cua nhung cong tan tranh chap*.