Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
thong cong » trong cong, tong cong, thong thong
tieu tinh » trieu tinh, tieu trinh, lieu tinh
cua thong » cua thuong, cua khong, cua tong
cong vinh » cong trinh, trong vinh, cong viec
vinh toan » tinh toan, hinh toan, minh toan
toan cau » toan cao, toan ban, toan tap

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 tieu tinh - ((hanh trinh) OR (canh tranh)) cua thong cong vinh toan cau~.
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - ((hanh trinh) or (canh tranh)) cua thong cong vinh toan cau*.