Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
cua truong » cua trung, xuan truong, cac truong
tranh cua » doanh cua, manh cua
tran chau » tranh chap, tran huu
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: "toc ((thieu xanh) OR (chieu xanh)) - hanh tranh cua truong cong tan tran chau~".
• Adding a wildcard symbol may retrieve word variants: toc ((thieu xanh) OR (chieu xanh)) - hanh tranh cua truong cong tan tran chau*.