Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trang » thanh trung, canh tranh, hanh trinh
hoc chieu » hoc thieu, ho chieu, hoc dieu
trang cua » tranh cua, tang cua, trung cua
cua nhung » va nhung
dan toan » van toan, dan than, manh toan
ban than » ban thanh, van thanh, ban hang

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

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