Perhaps you should try some spelling variations:
luan nhung » luan chung, luan hung, quan nhung
cong thanh » dong thanh, cong trinh, cong tan
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
tran chau » tranh chap, tran huu
ran cau » van cau, ban cau, can cau

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 nhung ((cong ty) or (cong thanh)) ((tran chau) or (ran cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh tang luan nhung ((cong ty) OR (cong thanh)) ((tran chau) OR (ran cau)).
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh tang luan nhung ((cong ty) or (cong thanh)) ((tran chau) or (ran cau))*.