Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trang » thanh trung, canh tranh, hanh trinh
cong thanh » dong thanh, cong trinh, truong thanh
trang cua » tranh cua, tang cua, trung cua
cua nhung » va nhung
cong tan » cong tac, cong san, cong ty
tran tan » tran tuan, tran van, tran thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (chieu xanh)) - hanh trang cua nhung ((cong tan) OR (cong thanh)) tran tan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu xanh)) - hanh trang cua nhung ((cong tan) OR (cong thanh)) tran tan.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (chieu xanh)) - hanh trang cua nhung ((cong tan) OR (cong thanh)) tran tan".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (chieu xanh)) - hanh trang cua nhung ((cong tan) OR (cong thanh)) tran tan*.