Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
hieu lang » chieu sang, hieu quang, nhieu tang
trinh cua » tinh cua, trinh luat, trinh quan
cua thong » cua thuong, cua khong, cua tong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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: ho ((chieu xanh) or (hieu lang)) - hanh trinh cua thong cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (hieu lang)) - hanh trinh cua thong cong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (hieu lang)) - hanh trinh cua thong cong tan toan cau*.