Perhaps you should try some spelling variations:
chien xanh » chieu xanh, chien tranh, hien hanh
cua chien » cu chien, cua chieu, cuoc chien
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
luan nang » luan van, van nang, luan san
cong tac » cong ty
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: cua chien xanh - hanh tang luan nang ((cong san) OR (cong tac)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cua chien xanh - hanh tang luan nang ((cong san) OR (cong tac)) toan cau".
• Adding a wildcard symbol may retrieve word variants: cua chien xanh - hanh tang luan nang ((cong san) OR (cong tac)) toan cau*.