Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
cong trong » cong thuong, duong trong, cong trinh
trong xuan » truong xuan, trong quan, thong xuan
hieu manh » hieu nganh, dieu hanh, hien hanh
tung cua » trung cua, tuong cua, dung cua
xuan tan » xuan toan, xuan can, xuan thanh
tan cau » toan cau, van cau, tan ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu manh) OR (chieu xanh)) - thanh tung cua cong trong xuan tan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu manh) OR (chieu xanh)) - thanh tung cua cong trong xuan tan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) OR (chieu xanh)) - thanh tung cua cong trong xuan tan cau*.