Perhaps you should try some spelling variations:
luan thuong » luat thuong, lan thuong, luan phuong
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
cong ban » cong bang, cong san, cong dan
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - hanh tang luan thuong ((cong ban) or (cong tan)) ((than cau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh tang luan thuong ((cong ban) OR (cong tan)) ((than cau) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh tang luan thuong ((cong ban) or (cong tan)) ((than cau) or (than cap))*.