Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trinh » canh tranh, hanh chinh
doi trieu » doi chieu, doi trinh, loi tieu
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
hoi tieu » hoc tieu, hoi hieu, hoi tiep
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cau » toan cao, toan ban, toan tap
dong » dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((doi trieu) or (hoi tieu))) or (dong trieu)) tinh - hanh trinh cua nhung cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((doi trieu) OR (hoi tieu))) OR (dong trieu)) tinh - hanh trinh cua nhung cong san toan cau.
• Adding a wildcard symbol may retrieve word variants: ((((doi trieu) or (hoi tieu))) or (dong trieu)) tinh - hanh trinh cua nhung cong san toan cau*.