Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, nhieu tang
trang cua » tranh cua, tang cua, trung cua
cua nhung » va nhung
cong san » cong tac
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((chieu xanh) or (hieu lang)) - hanh trang cua nhung cong san ((than cau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((chieu xanh) OR (hieu lang)) - hanh trang cua nhung cong san ((than cau) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: doc ((chieu xanh) or (hieu lang)) - hanh trang cua nhung cong san ((than cau) or (phan tu))*.