Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hanh trang » thanh trung, canh tranh, minh trang
nhung cong » dung cong, thong cong, hang cong
phan tinh » phan tich, phan dinh, phan kinh
cua nhung » va nhung
hoc phan » hoc dan, hoc pho
dan than » dan chan, ban than, van than
van toan » van tuan, van tan, van thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc phan tinh - ((hanh trang) or (hanh trinh)) cua nhung cong ((dan than) or (van toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc phan tinh - ((hanh trang) OR (hanh trinh)) cua nhung cong ((dan than) OR (van toan)) ban.
• Adding a wildcard symbol may retrieve word variants: hoc phan tinh - ((hanh trang) or (hanh trinh)) cua nhung cong ((dan than) or (van toan)) ban*.