Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
hien manh » hien hanh, tien manh, hieu manh
trang cua » tranh cua, tang cua, trung cua
cua nhung » va nhung
van toan » van tuan, van tan, van thanh
dan than » dan chan, ban than, van than

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 trang cua nhung cong ((((xuan toan) or (van toan))) or (dan than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien manh - hanh trang cua nhung cong ((((xuan toan) OR (van toan))) OR (dan than)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc hien manh - hanh trang cua nhung cong ((((xuan toan) or (van toan))) or (dan than)) cau*.