Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
thong cong » trong cong, tong cong, thong thong
trinh cua » tinh cua, trinh luat, trinh quan
cua thong » cua thuong, cua khong, cua tong
tran chau » tranh chap, tran huu
chi danh » chi dan, chi anh, chi dinh
cong tan » cong tac, cong san, cong thanh
tran cau » toan cau, ran cau, tra cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu xanh) or (chi danh)) - hanh trinh cua thong cong tan ((tran cau) or (tran chau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chi danh)) - hanh trinh cua thong cong tan ((tran cau) OR (tran chau)).
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chi danh)) - hanh trinh cua thong cong tan ((tran cau) or (tran chau))*.