Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
vat phuong » van phuong, viet phuong, xuat phuong
hien hanh » dieu hanh
trang cua » tranh cua, tang cua, trung cua
va phuong » va thuong, cac phuong
dan toan » van toan, dan than, manh toan
toan ban » van ban

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 hanh - hanh trang cua ((vat phuong) or (va phuong)) dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - hanh trang cua ((vat phuong) OR (va phuong)) dan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - hanh trang cua ((vat phuong) or (va phuong)) dan toan ban*.