Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
thong cong » trong cong, tong cong, thong thong
hien manh » hien hanh, tien manh, hieu manh
cua thong » cua thuong, cua khong, cua tong
cong san » cong tac
san toan » van toan, dan toan, manh toan
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: hoc hien manh - ((hanh trinh) or (canh tranh)) cua thong cong san toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien manh - ((hanh trinh) OR (canh tranh)) cua thong cong san toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc hien manh - ((hanh trinh) or (canh tranh)) cua thong cong san toan cao*.