Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hanh trinh » hanh chinh
mat thong » suat thong, xuat thong, mang thong
chi xanh » chi anh, chi danh, chi hanh
cong tan » cong tac, cong san, cong thanh
tran cau » tran chau, toan cau, ran cau
doi chi » doi khi

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

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