Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hanh trinh » hanh chinh
va thong » va thuong, va phuong, he thong
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap
doi chi » doi khi
chi anh » chi danh, chi hanh, thi anh

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 anh - ((canh tranh) or (hanh trinh)) va thong cong tac than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi anh - ((canh tranh) OR (hanh trinh)) va thong cong tac than cau.
• Adding a wildcard symbol may retrieve word variants: doi chi anh - ((canh tranh) or (hanh trinh)) va thong cong tac than cau*.