Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhiet nang » nhiet dong, viet nang, nhieu tang
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (nhiet nang)) - hanh trinh cua nhung cong tan ((toan cau) OR (toan tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (nhiet nang)) - hanh trinh cua nhung cong tan ((toan cau) OR (toan tap))~".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (nhiet nang)) - hanh trinh cua nhung cong tan ((toan cau) OR (toan tap))*.